UNOTRAVELER

UNOTRAVELER is a minigame that can be played in the Snowdin Intermission of Section 3 - Hell's Forest. It can also be accessed in the Extras menu and then choosing 'UNOTRAVELER'. This is unlocked after playing a game of UNOTRAVELER in any save file. The game features Kris (who you play as), Susie, Noelle and Inverted Fate Papyrus.

In Deltatraveler, UNOTRAVELER is necessary to unlock certain items, some of which can be useful to the player like the Spaghetti and Wild Reverse Card. However, UNOTRAVELER is only accessible on the Normal Route, and cannot be played on the Obliteration Route. UNOTRAVELER is not needed for story progression, and simply serves as a minigame that the player can enjoy midway through their adventure.

The game is based off of real-life UNO, a card game where you try to get rid of all of your cards by playing cards when you can and using special cards to hinder your opponent's progress.

Rules

UNOTRAVELER plays very similarly to real-life UNO. To win, the player must get rid of all of their cards.

All 4 participating players (you play as Kris, Susie, Noelle and IF!Papyrus are CPU players) start with 7 cards. You can see your own cards, but you cannot see what cards your opponents have. You can see how many cards that your opponents have by choosing 'ACT' and then selecting Check, or by looking at their sprite and counting how many cards are in their hands.

Each card can have 4 colors and has many different types, but you can only put down a card that is the same color or type of card that was last played. The 4 colors are red, blue, green and yellow. One exception is wild cards, which can be played regardless of the last card's color or type. The person playing a wild card can decide the color.

The main type of cards are numbers ranging from 0 to 9. You can play a card that is the same number as the last one played, even if it is not the same color. For example, you can play a RED 5 on a YELLOW 5, and so on. Special cards include:

• Skip cards, with a 'no' sign on them. Playing a skip card will skip the next player's turn.
• Reverse cards, which will reverse the turn order. If there are only 2 players left, it will act like a skip card instead.
• +2 cards, which will force the next player to draw 2 cards and skip their turn. If that player also has a +2 or a wild +4 card, they can counter it with that, causing the number of cards to stack. The next player will then have to draw all of the cards unless they can counter it as well, and it keeps going until someone draws the cards.
• Wild cards, as mentioned earlier.
  • When wild +4 cards are played, the player that is forced to draw the cards can challenge your decision. requiring you to show everyone your deck. If they do not challenge your decision, they will simply draw 4 cards.
    • Your opponent's challenge will fail if you do not have a card that is the same color as the one that was last played before you played the wild +4. This will result in them drawing 6 cards instead of 4 as a penalty for losing their challenge, in addition to losing their turn. For example, if the last card that was played when you played your WILD +4 was green, but you do not have any green cards, then your opponent will lose their challenge.
    • If you do have a card that is the same color as the card that was last played, then you will have to draw 4 cards instead and the next player's turn will not be skipped. For example, if the last played card was red and you have a red card in your deck, then your opponent will end up winning their challenge and will not have to draw cards.
      • If the wild +4 was a part of a stack, you or your opponent will have to pick up the stack as well.
    • When someone plays a wild +4 on you, you can challenge them by pressing [C].

Like with numbered cards, you can play a special card on the same special card, like playing a BLUE SKIP on a YELLOW SKIP.

If you cannot play a card, then you must select 'Draw' to draw a card. If you draw a wild card or a card that is the same color or type, then you can choose to play it or keep it. If you do not draw a card that you can play, then your turn will end, and you'll have to wait until it's your turn again for another chance to play a card.

When you or your opponents have one card left, the player can call out "UNO". If you are the one who has 1 card left, you must say UNO before your opponents do, or else you will have to draw 4 cards. The same goes for your opponents - if you or someone else calls UNO before they do, then they will have to draw 4 cards too. To call UNO, press [C]. If you are about to have 1 card left, you can prepare your UNO call in advance by pressing [C] on your turn. This will instantly make you say UNO when you play, ensuring that you do not have to draw cards. Note that if you draw a card when you have 1 card left, and the card that you draw can be played, then you have to call UNO again.

If an opponent plays all of their cards before you do, then you lose. The game continues, so you can still aim for 2nd or 3rd place. When an opponent get rid of all of their cards, their sprite changes to show that they have won.

You can forfeit at any time by choosing 'Flee'.

Gameplay

The gameplay is very similar to real-life UNO, with the same rules as listed above. Susie, Noelle and Papyrus are always your opponents, but they will appear in random spots, regardless of any previous games or what music track was chosen.

Susie, Noelle and Papyrus's sprites will change depending on what is happening in the game. When something intense or bad for them is happening in the game, such as if they have to draw cards, they appear more nervous. When something positive for them happens, like when they have one card left, they appear more happy.

Susie, Noelle and Papyrus seem to call out UNO at different times. Papyrus calls UNO the quickest, followed by Noelle, and then Susie.

If the theme 'Frankness' is chosen, then Papyrus will go all-out. This will make his sprite change during the game, his dialogue is less excited, and he is overall a more difficult opponent. He calls UNO faster, and seems to use his special cards sooner. Additionally, Susie and Noelle will look more nervous during the game. Note that making Papyrus go all-out does not grant the player any extra rewards if they beat him, and is just a bonus challenge.

Rewards

In the base game, the player is rewarded for certain placements.

1st place earns the Silver Key, allowing the player to unlock Sans's basement without his permission.

2nd place or better unlocks the Wild Reverse Card, an item with various uses and a high selling price.

3rd place or better unlocks the Spaghetti, a useful healing item that heals everyone in battle in one turn.

Playing a game of UNOTRAVELER also unlocks the game in the Extras menu.

Tips

If one wishes to do well in UNOTRAVELER, whether it be to have fun or to earn all of the rewards, then one can follow these tips to help them win.

Remember that UNO still relies on a lot of luck. You need to hope that you get cards that will help you get rid of all your cards first, and that your opponents don't get good cards to use against you. You may end up just having bad luck, resulting in you losing.

Keep an eye on your cards

This is because you'll want to know when you have a +2 or a wild +4, since these are your methods of defence if someone tries to give you +2 or +4 (Even if your +2 is a different color and type, you can still play it to defend yourself - for example, playing a BLUE +2 on a GREEN wild +4).

Know when to use special cards

If you want, you could save your special cards in case you need them for emergencies - if the player after you has one card left, then any of your special cards could delay their victory, giving you and your other opponents a chance to stop them from winning. Of course, there are other situations where you may want to use special cards, whether it be strategy or you simply don't have any other cards to play. One example could be if the opponent before you has many cards; because they are more likely to have a skip, +2 or wild +4, using a reverse card will make them unable to use any special cards on you.

If you have any wild card, try let it be your last card. If your last card is a wild card, then it won't matter what color that your opponents play, since wild cards can be played on anything. A wild +4 is especially ideal, since if someone tries to play a +2 or another wild +4 on you, then you can use the wild +4 as your last card to defend yourself while winning at the same time.

Calling UNO

You should get used to saying UNO when you have one card left. Remember, you don't have to press [C] as soon as you play your card - instead, before playing your card, press [C] to ready your UNO call. As soon as you play the card, Kris will say UNO, making it impossible for any of your opponents to call UNO before you. If you can get into a habit of pressing [C] every time you have 2 cards left, then you'll be far less likely to have UNO called before you.

As for calling UNO on your opponents, you should try to keep track of how many cards your opponents have. If any of your opponents have 2 cards left, then get ready for their turn so you can say UNO before they do. There is no penalty for spamming [C] if they don't actually say UNO, so you could try mashing [C] before their turn. However, don't get too trigger-happy! If someone plays a wild +4 on you while you're spamming [C], then you'll instantly challenge their decision, which could end up with you drawing 6 cards. Be careful when doing this.

If one of your opponents has to draw cards because you or someone else called UNO before them, bear in mind the next time they have 1 card left they are likely going to call UNO much faster, regardless of who it is.

Playing and Challenging Wild +4s

If you want to or have to play a wild +4, you have to think first, because your opponent can challenge you. This could cause you to draw 4 cards instead. When you have a wild +4, keep in mind what color cards you do and don't have. Any colors that you don't have you can consider 'safe', so that when that color is in the stack, you can play the wild +4 without any issues. Any colors that you do have you should consider that color 'unsafe' and you shouldn't play the wild +4 if the stack is any of your 'unsafe' colors. For example, if you have a wild +4 and only RED and YELLOW cards, you know that GREEN and BLUE are 'safe' and you can play the wild +4 when the stack are either of those colors. Once you have this mindset in your muscle memory, you'll never have to draw cards from your own wild +4.

If someone plays a wild +4 on you, it may be a tough choice if you want to challenge their decision. The best way to tell is if your opponent has lots of cards. The more cards they have, the more likely they are to have the color that the stack was before they played their card. However, at the end of the day, your decision is luck-based, and it may be a better idea to just accept the +4 cards (or better yet, play a +2 or a wild +4 yourself). As mentioned in the previous tip, be careful if you mash [C] to call UNO on others, or else you may end up challenging your opponent's wild +4 by accident when you didn't want to.

Music

UNOTRAVELER has various music tracks that the player can choose before playing. There are currently 20 tracks to choose from, many of which originating from the DELTATRAVELER OST, Undertale OST, Deltarune OST (both chapters), Earthbound, or other Undertale fangames like Undertale Yellow. Certain music IDs have unique backgrounds that are purely cosmetic, and originate from where the track usually plays. For example, when playing Porky's Mayhem, the background is the same as the Porky fight.

Most music IDs have 2 different themes; a normal theme and a tense theme. The tense theme will only play if:

• A stack of +2 or wild +4 cards starts building up, and the stack is +6 cards or more.
  • If a +2 or wild +4 is played on you, then the tense theme will automatically play instead.
  • If you started by playing a wild +4 and your opponent challenges you, the tense theme will start playing instead.
• You have 1 card left.
• You have 12 cards or more.
• You and only one other opponent are left.

Some music IDs are just single themes, and will not change regardless of what is happening in the game.

Currently there are 20 music IDs to choose from. There are likely to be more added as more Sections in the base game are released. They can be seen below.

Existing music IDs

[NOTE: Some of the tracks and backgrounds contain spoilers for Deltatraveler and Undertale Yellow. Continue scrolling at your own risk.]

Music ID	Normal Theme	Intense Theme	Notes
0	"Dating Start!" by Toby Fox	"Dating Fight!" by Toby Fox	Originates from the Undertale OST.
1	"Enemy Approaching" by Toby Fox	"Stronger Monsters" by Toby Fox	Originates from the Undertale OST.
2	"sans." by Toby Fox	"Song That Might Play When You Fight Sans" by Toby Fox	Originates from the Undertale OST.
3	"Spear of Justice" by Toby Fox	"Beta Undyne Theme" by Toby Fox	Originates from the Undertale OST.
4	"Spider Dance" by Toby Fox	"Mad Mew Mew" by Toby Fox	Originates from the Undertale OST.
5	"Rude Buster" by Toby Fox	"Checker Dance" by Toby Fox	Originates from the Deltarune OST.
6	"Elegant Entrance" by Toby Fox	"Pandora Palace" by Toby Fox	Originates from the Deltarune: Chapter 2 OST.
7	"Smart Race" by Toby Fox	"Attack of the Killer Queen" by Toby Fox	Originates from the Deltarune: Chapter 2 OST.
8	"NOW'S YOUR CHANCE TO BE A" by Toby Fox	"BIG SHOT" by Toby Fox	Originates from the Deltarune: Chapter 2 OST.
9	"Rude Encounter" by RENREN	"Ruder Monsters" by RENREN	Originates from the Deltatraveler OST.
10	"Battle Against a Rude Opponent" by LazyGales	"Battle Against an Unsettling Opponent" by Keiichi Suzuki & Hirokazu Tanaka	Normal Theme originates from the Deltatraveler OST, tense theme originates from Earthbound. The background is the same as some backgrounds used in battles for Section 2.
11	"FLOWEY" by RENREN	N/A	Originates from the Deltatraveler OST.
12	"Porky's Mayhem" by LazyGales	N/A	Originates from the Deltatraveler OST. The background is the same as the Porky fight.
13	"Eye for an Eye" by TheTuneHero	N/A	Originates from the GG!Underfell OST. The background is the same as the GG!Underfell Sans fight, minus the swirling bones.
14	"Frankness" by Nikolas	N/A	Originates from Undertale: Papyrus's Belief. Using this track will make Papyrus go all-out, making him more aggressive and calling UNO quicker. His appearance will also change slightly, and Susie and Noelle will look more nervous.
15	"Sandstorm Approaching" by MyNewSountrack	"Deal 'Em Out" by Ember	Originates from the Undertale Yellow OST.
16	"Fever Pitch" by MasterSwordRemix and MyNewSoundtrack	"Forlorn" by MasterSwordRemix and MyNewSoundtrack	Originates from the Undertale Yellow OST.
17	"Protocol" by MasterSwordRemix and MyNewSoundtrack	"Apprehension" by MasterSwordRemix and MyNewSoundtrack	Originates from the Undertale Yellow OST.
18	"Showdown!" by MasterSwordRemix	N/A	Originates from the Undertale Yellow OST.
19	"Guns Blazing" by MasterSwordRemix and MyNewSoundtrack	"END OF THE LINE_" by Figburn	Originates from the Undertale Yellow OST.
20	"Some Point of No Return" by MasterSwordRemix and MyNewSoundtrack	N/A	Originates from the Undertale Yellow OST.

Backgrounds

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  Background used for music IDs 0, 1 and 9.
• 

  Background used for music IDs 2, 4 and 11.
• 

  Background used for music ID 3. The green boxes move up and down quickly.
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  Background used for music IDs 5, 6, 7 and 8. The purple boxes move up and down slowly.
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  Background used for music ID 10. The background is animated and originates from Section 2.
• 

  Background used for music ID 12. The background is the same as the Porky fight.
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  Background used for music ID 13. The background is the same as the GG!Underfell Sans fight, minus the swirling bones.
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  Background used for music ID 14. The background is animated.
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  Background used for music ID 15. The yellow colored background is a reference to the Dunes battle in Undertale Yellow.
• 

  Background used for music ID 16. The background is a reference to the Dalv fight from Undertale Yellow.
• 

  Background used for music ID 17. The background is animated and is a reference to the Martlet fight from Undertale Yellow.
• 

  Background used for music ID 18. The background is animated and is a reference to the Starlo fight from Undertale Yellow.
• 

  Background used for music ID 19. The background is animated and is a reference to the Axis fight from Undertale Yellow.
• 

  Background used for music ID 20. The background is animated and is a reference to the pacifist Ceroba fight from Undertale Yellow.

Trivia

• UNOTRAVELER is based off of another Undertale fangame made by VyletBunni (the lead developer of Deltatraveler) known as "UNOTALE".
• The 5 music IDs that originate from Undertale Yellow were added in the 3.0.2 update with permission from the developers of said fangame.
• If the player selects UNOTRAVELER from the extras menu, then the Flavor will be based on the currently chosen Starting Flavor.