Game jams you can play in your browser
Jams where the games play free in a browser, no download. Join and vote on itch.io. Entries we list show up here with their plays.
Running now
Comfy Jam: Autumn
Oct 2 to Oct 17, 2026 · Macrow · 1,621 joined
Cozy autumn games where things change when you look away. No AI.
Most entries play in your browser. $300 in cash prizes. On itch.io ↗
RGDC Jam 2026
Oct 1 to Oct 31, 2026 · Rickards Game Development Club · 294 joined
A month-long jam using two of three themes: Circle, Sugar and Entropy. No AI.
Most entries play in your browser. Cash prizes. On itch.io ↗
The WORST Game Jam
Oct 14 to Oct 31, 2026 · gamedesignaccount · 539 joined
Make the worst game you can on the theme Grandma's Instructions.
Most entries play in your browser. $300 in prizes. On itch.io ↗
Playtest & Feedback Exchange Jam #9
Sep 19 to Nov 1, 2026 · One Joyful Day · 122 entries
Share a game in any state and playtest three others. Runs every month.
Most entries play in your browser. Not a contest. On itch.io ↗
LittleJS Jam 3
Oct 2 to Nov 2, 2026 · Frank Force Games · 105 joined
A month to make a LittleJS game on the theme ZIGZAG.
Every entry plays in your browser. Sponsor cash prizes. On itch.io ↗
Game Gauntlet: SIM Jam
Sep 23 to Nov 4, 2026 · Game Gauntlet · 467 joined
Six weeks to make a simulation game. Rated Teen or lower.
Most entries play in your browser. $1,500 in cash prizes. On itch.io ↗
Coming up
AI Browser Game Jam 5
Oct 17 to Oct 31, 2026 · Focaccai · 205 joined
Make a free game, mostly built with AI, that plays in a browser.
Every entry plays in your browser. On itch.io ↗
Slapjam #2
Oct 29 to Oct 31, 2026 · Slapjam · 42 joined
48 hours to make an AI-assisted phone browser game with touch controls.
Every entry plays in your browser. $1,000 cash pool. On itch.io ↗
GoedWare Game Jam Halloween Part 3
Oct 30 to Nov 3, 2026 · GoedWare · 45 joined
96 hours to make a Halloween game, any engine, theme at the start.
Most entries play in your browser. Gift cards. On itch.io ↗
Micro Jam 068: Evolution
Oct 31 to Nov 2, 2026 · Micro Jam · 26 joined
48 hours on the theme Evolution, with a surprise rule at the start.
Most entries play in your browser. $300 cash pool. On itch.io ↗
GDevelop BIG Game Jam #10
Nov 6 to Nov 15, 2026 · GDevelop and HelperWesley · 754 joined
Nine days to make a GDevelop game on a theme revealed at the start.
Every entry plays in your browser. Engine subscriptions and cash for top teams. On itch.io ↗
Pixel Forge MEGA JAM
Nov 28 to Dec 8, 2026 · Pixel Forge · 111 joined
Ten days on a theme announced at the start, solo or teams of up to four. No AI.
Most entries play in your browser. Cash and key prizes. On itch.io ↗
Recently ended
Cookie Jam #5
Oct 3 to Oct 10, 2026 · Tuvo and 0xNil · 86 entries
A week-long jam on the theme Lazy, with an optional cookie twist. No AI.
Every entry plays in your browser. Cash prizes and asset licenses. On itch.io ↗
Cursor Vibe Jam 2026
Apr 1 to May 1, 2026 · levelsio
Games written mostly by AI that play free in a browser, no sign-in.
Every entry plays in your browser. Jam site ↗
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