SynerWorlds

Play free board & strategy games — right in your browser

Xiangqi, Chess, Go, Ô Ăn Quan and Vietnam's folk games — take on the computer across 12 difficulty levels, or open a room and play with friends. Jump in as a guest — no sign-up needed.

✓ Free · ✓ No download · ✓ One profile across every game

🌍 World Classics

Games that became classics all over the world — play the computer, or open a room and invite friends anywhere to join in.

🀄

Xiangqi

Xiangqi — the classic game of strategy

👥 6 playersPlay now ▸
♞

Chess

International chess — the royal game

👥 2 playersPlay now ▸
⚫

Go

Go — the ancient game of surrounding territory

👥 1 playersPlay now ▸
🔢

Sudoku

Sudoku — 4 difficulties, daily puzzles, 2–4 player races

👥 2 playersPlay now ▸
🔴

Checkers

Checkers — mandatory jump-captures on the 8×8 board

👥 1 playersPlay now ▸
⚫

Reversi

Reversi — flip your opponent's discs and own the most squares on the 8×8 board

👥 1 playersPlay now ▸
Explore classics:
What do you want to train?💹 Investors & Traders🚀 Entrepreneurs & Founders🛠️ Engineers & Programmers🎓 Students & Parents🌿 Older Players — Keeping a Sharp Mind

🎮 The games

🀄

Xiangqi

Xiangqi — the classic game of strategy

👥 6 playersPlay now ▸
♞

Chess

International chess — the royal game

👥 2 playersPlay now ▸
⚔️

Vietnamese General Check

Vietnamese General Check — a Vietnamese folk strategy game

👥 3 playersPlay now ▸
🔵

Co Ganh

Co Ganh — the Vietnamese flipping game

👥 2 playersPlay now ▸
🟢

Co Nhao

Co Nhao — the Vietnamese leaping-capture game

👥 1 playersPlay now ▸
🐴

Ca Ngua

Ca Ngua — the Vietnamese horse-racing board game

👥 1 playersPlay now ▸
🪨

O An Quan

O An Quan — the Vietnamese mancala (Mandarin Square Capturing)

👥 1 playersPlay now ▸
⚫

Go

Go — the ancient game of surrounding territory

👥 1 playersPlay now ▸
🔢

Sudoku

Sudoku — 4 difficulties, daily puzzles, 2–4 player races

👥 2 playersPlay now ▸
🔤

Cross Words

Cross Words — English tile words on a 15×15 board, 12-level AI, 2–4 player rooms

👥 0 playersPlay now ▸
🔍

Word Search

Word Search — find hidden English words in a letter grid, 12 levels, 2–4 player races

👥 2 playersPlay now ▸
🔴

Checkers

Checkers — mandatory jump-captures on the 8×8 board

👥 1 playersPlay now ▸
✖️

Gomoku

Gomoku — five in a row on 10×10, 15×15, 20×20 boards

👥 2 playersPlay now ▸
🃏

Dark Xiangqi (Co Up)

Dark Xiangqi — hidden pieces, revealed on their first move

👥 0 playersPlay now ▸
🖼️

Nonogram

Nonogram — picture logic puzzles: 3 sizes, daily puzzles, 2–4 player race rooms

👥 0 playersPlay now ▸
⚫

Reversi

Reversi — flip your opponent's discs and own the most squares on the 8×8 board

👥 1 playersPlay now ▸
🫘

Mak Khom

Mak Khom (หมากขุม) — the Thai mancala of relay sowing and opposite-pit captures

👥 1 playersPlay now ▸
🔮

Chroma Beads

Chroma Beads — line up 5 beads of a colour on a 9×9 board, daily challenge, high-score leaderboards

👥 2 playersPlay now ▸
🥭

Tropi Pop

Tropi Pop — match-3 with Vietnamese tropical fruits, 60 levels touring 4 regions from Cái Răng Floating Market to Phú Quốc Island

👥 2 playersPlay now ▸

📣 News

See all →

Tropi Pop is live: match-3 with Vietnamese tropical fruits across 60 levels from Cái Răng to Phú Quốc

Tropi Pop (Xếp Trái Cây) is live at xeptraicay.synerworlds.com — a match-3 game starring 7 Vietnamese tropical fruits: dragon fruit, mangosteen, custard apple, durian, mango, star fruit and coconut. 60 levels across 4 regions, special fruits, falling baskets, leaf tiles and a star leaderboard.

📣 Newsxep-trai-cay·10/29/2026·2 min read
#ra-mat#gioi-thieu

Chroma Beads is live: line up 5 beads of a colour on a 9×9 board — the ball-lines classic returns

Chroma Beads (Xếp Bi) is live at xepbi.synerworlds.com — the ball-lines puzzle in the Color Lines tradition: slide beads along free paths, burst lines of 5 to score, a daily challenge, full replays and high-score leaderboards.

📣 NewsChroma Beads·10/29/2026·2 min read
#ra-mat#gioi-thieu

Mak Khom (หมากขุม) is live: the Thai sowing game of relay drops and kin thaen captures

Mak Khom (หมากขุม) is live at makkhom.synerworlds.com — the Thai folk sowing game of the Congkak family: relay sowing, store-landing bonus moves, kin thaen opposite captures, a 12-level AI, two-player rooms, interactive lessons and a daily puzzle.

📣 NewsMak Khom·10/26/2026·2 min read
#ra-mat#gioi-thieu

Reversi Launches — Play Free in Your Browser

Reversi (Othello) is live at reversi.synerworlds.com — standard 8×8 outflank-and-flip rules, 12-level AI, two-player rooms, uniquely-verified puzzles, 6 strategy lessons and all 26 locales from day one.

📣 NewsReversi·10/25/2026·1 min read
#ra-mat#gioi-thieu