Trump Speed
A classic card game "Speed" where you play against the CPU, competing to empty your hand and stock pile before your opponent by playing cards one rank higher or lower than the field cards.
Features
Play instantly
No installation or registration needed—just tap start to begin.
3 CPU difficulty levels
Adjust the challenge with Easy, Normal, or Hard.
One-tap card play
Cards with only one valid position play with a single tap.
Per-difficulty records and result sharing
Your wins, losses, and fastest victory time are saved on your device.
How to Use
Select difficulty
You can start with Normal difficulty as is.
Press start
The match begins after a 3-2-1 countdown.
Play cards
Tap cards from your hand that are one rank higher or lower than the field cards.
Win by emptying
Empty your hand and stock pile before the CPU to win.
Play again or share
From the results screen, you can play again or share your result.
Use Cases
Quick break during downtime
Each game takes just a few minutes, perfect for a mental break.
Refresh Speed rules
Confirm which cards you can play by actually playing the game.
Challenge your personal record
Aim to beat your fastest time on Hard difficulty.
Learn the rules before teaching
Play once yourself before teaching children or friends.
Knowledge
About Speed
Speed is a two-player card game where both players play simultaneously. Using 52 cards (excluding jokers) divided equally into red and black suits, players must play cards one rank higher or lower than the two field cards in the middle.
Local rule variations
Speed has different rules depending on region or playgroup—notably whether King and Ace connect, and whether jokers are included. This tool uses the 52-card rules with King-Ace connection. When both players are stuck, one card each is drawn from the stock piles to the field to continue play.
Safety and Privacy
Runs entirely in your browser
Your input data is processed only within your browser and is never sent externally.
Processing only in your browser
Game progress is processed entirely within your browser, and input data is not sent to any server.
Communications encrypted with HTTPS
Page loading is also encrypted by TLS, and content cannot be read by third parties.
No transmission to third parties
Input content is not sent to external services such as ad networks or trackers.
No automatic saving of results
Win/loss record and best time and input suggestions are not stored on the server.
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Updates
- update #265
Added Trump Speed: Solo speed battle mode where you can choose CPU difficulty from 3 levels