Olos
Olos is a card game similar to Mau-Mau. The first player to play all their cards wins.
2 - 16 Players
Bots available
How do you want to play?
Pick a variant, invite friends to the lobby or fill up with bots. Every rule can be changed in the lobby.
The big table
Invite friends, fill up with bots and let spectators join between two rounds. The more players, the wilder Olos gets.
Play against bots
Challenge strong bots and improve your gameplay. Adjust the bot strength to your level!
bot
EasyMediumHard
How to play
The first player to get rid of all cards wins the round. Everybody else loses the points of the cards left in their hand. When a player drops to 0 points, the game ends and the player with the most points wins.
- 1
Play a matching card
Play a card with the same color, number or action as the top card. Wild cards always match.
- 2
Draw
If you can't or don't want to play, draw a card. If it matches, you may play it right away. Otherwise it's the next player's turn.
- 3
Stack draw cards
You may play a +2 on a +2 and a +4 on a +4. Whoever can't stack draws everything and then plays on as usual.
- 4
Jump in
If you have exactly the same card as the top card you may play it at once, even when it isn't your turn. The game then continues from you.
- 5
Protection card
The protection card blocks action cards, even when it isn't your turn, as long as the action hasn't taken effect yet. Be quick!
- 6
Call Olos
Before you play your second last card you have to call "Olos!". If you forget, you draw two penalty cards.
The action cards
Besides the number cards 1–9 in four colors, action cards shake things up. Wild cards have no color and match every card.
+2
The next player draws 2 cards unless they play a +2 themselves.
15 penalty points
Skip
The next player is skipped.
15 penalty points
Reverse
The play direction changes.
15 penalty points
Card swap
Swap your hand with a player of your choice.
15 penalty points
Seat swap
Swap your seat with a player of your choice.
15 penalty points
Color wish
Wild: wish for a color.
45 penalty points
+4
Wild: wish for a color, the next player draws 4 cards.
45 penalty points
+8
Wild: wish for a color, the next player draws 8 cards.
45 penalty points
Spin
Wild: everybody passes their hand on in play direction.
45 penalty points
Protection card
Wild: blocks an action card, even when it isn't your turn.
45 penalty points
Why Olos is fun online
Bots on three levels
Play alone against easy, medium or strong bots.
2 to 16 players
From a game for two to the big party table.
Join anytime
Spectators can join between two rounds.
No waiting
If a player takes too long, the server draws for them. Absent players are removed.
Spectate
Watch running games live.
Several rounds
Defend your points round after round until the final standings.