playground

A collection of 18 games made in Japan. Includes Shogi, Othello, Go, Chess, Gomoku, 2048, Minesweeper, Poker, Concentration, Blackjack, Daifugo, Solitaire (Klondike), FreeCell, Mahjong Solitaire, Mahjong (four-player), Sudoku, Block Breaker, and Charinka Ojisan.

No internet connection required—fully playable offline. Whether in airplane mode or on the subway, all 18 games can be played to completion.

Full-screen ads never interrupt gameplay. The only ads that appear automatically are banners at the bottom of the screen.

【Features of Asobiba】

■ No internet connection needed—play offline
All 18 games can be played to completion, even in airplane mode or on the subway.

■ Free, no account registration, no ad interruptions
No membership or login required. Start playing immediately after downloading. The only ads that display automatically are banners at the bottom of the screen. Full-screen video ads only play when you choose to watch them yourself, such as when adding an "undo."

■ Resume from where you left off
Even if you close the app mid-game, you can continue from the same point when you reopen it. Games you've paused appear with "Continue" in the list, so you can see at a glance which game you left unfinished.

■ CPU battles
Play one-on-one against the CPU in Shogi, Othello, Go, Chess, Gomoku, and Concentration. In Daifugo and Mahjong (four-player), compete against 3 CPU opponents. In Poker and Blackjack, face off against the CPU/dealer. Solitaire, FreeCell, Mahjong Solitaire, Sudoku, 2048, Minesweeper, Block Breaker, and Charinka Ojisan are single-player games you can enjoy at your own pace.

■ Game Center compatible
Compete on worldwide leaderboards for times and scores, and unlock achievements. Compare your personal best with players around the world.

■ Customize your own layout
Arrange frequently played games at the top, hide games you don't play. Freely rearrange from settings.

【Included Games】

▼ Shogi
Authentic Shogi where you can play against a challenging CPU. Features full rules including captured pieces, promotion, and checkmate, enjoyable for beginners to advanced players.

▼ Othello
A classic board game where you flip pieces by sandwiching them. Enjoy strategic reading with the CPU as you compete for corner positions.

▼ Go
Play Go against the CPU on a 9x9 board. Victories are determined by area calculation using Chinese rules, and handicaps can be set with placed stones. Rules are also available within the app.

▼ Chess
Authentic Chess where you can play against the CPU. Supports castling, en passant, and promotion. Choose from "3D" or "simple" piece designs.

▼ Gomoku (Renju)
The first to line up five pieces wins. Challenge the CPU on a 15x15 board.

▼ 2048
A puzzle where you swipe tiles to merge them and aim for 2048. The satisfying feel of numbers growing becomes addictive.

▼ Minesweeper
A puzzle where you use numbers as clues to avoid mines and open squares. Flag mines to manage their positions.

▼ Poker
Five-card draw poker. Exchange cards to make hands and bet chips against the CPU. Build up winnings quickly with hand bonuses and double-ups.

▼ Concentration
A classic game where you flip cards to match pairs. Test your memory against the CPU.

▼ Blackjack
Draw cards without exceeding 21 and beat the dealer. You can even split cards with the same value (10, J, Q, K).

▼ Daifugo
Four-player game against 3 CPU opponents. Compete for the Daifugo position using standard rules like revolutions and 8-cuts, plus card exchanges based on ranking.

▼ Solitaire (Klondike)
A classic single-player card game where you stack all 52 cards into foundation piles. Choose to flip cards from the deck one at a time or three at a time.

▼ FreeCell
A solitaire variant where all 52 cards are visible from the start. Only pre-verified solvable deals are presented, so success depends on skill and strategy, not luck. Supports an enlarged display mode for easier viewing.

▼ Mahjong Solitaire
A classic single-player puzzle where you remove pairs of matching mahjong tiles from a stacked arrangement. Use hints and rearrangement to recover from dead ends.

▼ Mahjong (Four-player)
East wind tournament against 3 CPU opponents. Features full rules including Pung, Chow, Kong, Declaring Ready, and point calculation.

▼ Sudoku
A classic puzzle where you fill a 9x9 grid with numbers 1-9. Three difficulty levels—easy, normal, and hard—with puzzles that always have exactly one solution. Includes notes and hints.

▼ Block Breaker
An action game where you bounce blocks with a paddle to break them all. Power-up items like extended paddles and multiplying balls create opportunities for comebacks.

▼ Charinka Ojisan
A side-scrolling action game where you tap to jump and run. Navigate 15 stages, dodge bird obstacles, accelerate with speed-ups, and overcome difficult sections with double jumps.

【Perfect for】
・Traveling by train or bus, or in areas without signal
・Five minutes a day of mental exercise and brain training
・When you suddenly want to play Shogi or Othello again