Submissions open from 2026-01-09 20:00:00 to 2026-02-09 20:00:00
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One-Month Marathon Game Jam

This jam follows our 72-hour New Year Jam (January 2-5). Continue the project you started there, pick up something you've been working on, or start fresh.

Schedule

  • Start Date: January 9, 2026
  • End Date: February 9, 2026

A month-long jam to keep the momentum going. Make progress on your projects, finish your game, and share it with the community.

Theme

There is no theme! Just work on your game.

Rules

  • Solo Developers and teams allowed: This community is typically for solo devs, however we've decided to allow teams.
    • To keep things fair for solo participants, only solo-developed games will be eligible for the Hall of Fame, cash prizes, and featured on the SoloDev Itch page.
  • Make sure you legally own any assets you're using.
  • This jam is open to everyone, regardless of skill and experience!
  • NSFW games not allowed.

Cash Prizes

1st Place: $125 via PayPal. Enough for a Steam page?

2nd Place: $50 via PayPal

3rd Place: $25 via PayPal

Cash prize winners are selected by judges, not community voting. Cash prize finalists selected from top 15-25 community-voted games.

Eligibility:

  • Must be 18 years or older.
  • Solo-developed games only (no team entries).
  • Game must have been started during this jam or during SoloDevelopment Jam #10.
  • Prize paid within 30 days of results.

Other Prizes

  • Jam Winner Role on Discord and r/SoloDevelopment.
  • Pinned game on Reddit and Discord.

Ranking & Feedback

All submissions will have community voting so participants can rate and give feedback on each other's games.

Ranking Criteria:

  • Innovation – Unique ideas or combinations that stand out.
  • Fun – How enjoyable is the game to play? Does it keep your attention?
  • Graphics – Quality of visuals, effective art style, or charming programmer art.
  • Audio – Quality of sound design, music, and effects.
  • Polish – How complete and polished the game feels.
  • Progress – How much progress did you make during the jam?

About the One-Month Marathon Jam

The one-month marathon game jam gives developers a whole month to create their game. It offers flexibility while maintaining a clear deadline to keep you motivated.

This jam is ideal for solo developers or small teams. The extended timeframe lets you work at your own pace, take breaks when needed, and focus on creating a polished and complete project.

Stay Connected

Discord: Join our Discord to share your progress!

Subreddit: Visit r/SoloDevelopment for discussions.

Submitted so far(75)

All submissions
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Browser playable (50)
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Windows (27)
macOS (8)
Linux (7)
Android (6)
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Opt in (56)
Opt out (19)

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Spinaché wants to make you a super special meal! Don't.
Visual Novel
Farming where no one has farmed before.
Adventure
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Uncover your childhood memories with your partner as you travel through gardens of love.
Visual Novel
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A silent night. A blood-red Christmas!
Adventure
doink game for the doinkers
Shooter
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On the day of your wedding, your tiny village disappears.
Visual Novel
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Moblie Tetris with a customizable video background.
Puzzle
A short quiet romance in Batavia, 1930.
Visual Novel
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Looks like I will need to survive...
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A choose-your-own-adventure about the person who dies when a girl is born: what choice do you have?
Interactive Fiction
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Forget checkmate. You're here to score.
Strategy
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retro race game like in 90s
Racing
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"Spin the Wheel. Survive the Horde. Hit the Jackpot."
Action
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You're a shape. You have a gun.
Shooter
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Evil color memorization game
Survival
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Escape the zombie apocalypse
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Feel The horror Of Exorsion. Collect Holy Items, Capture the Monster Be a..... OJHA
Adventure
You are a lone traveller stopping to spend a night at a vacation home...
Adventure
A short color-switching platformer.
Platformer
Play in browser
Force mutations and guide Subject Alpha through lethal biomes. A raw, minimalist sandbox of adaptation and extinction.
Simulation
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A squishy maze challenge where every second counts. Push the jelly, gain time, and beat your limits!
Puzzle
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A VHS-Style horror game hiding a crime that was never meant to be found.
Adventure
A short incremental game about saving our Queen by defeating various monsters!
Strategy
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A strategic inventory management game where you choose your luck from 3 random pools
Strategy
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How good are you at parking a car?
Cut through everything in your way.
Action
RUSH BEFORE THE NEW YEAR COUNTDOWN!!
Action
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Focus. Hold. Release. Land.
Platformer
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475+ unique pokemon to catch (plus their shiny versions)!
Simulation
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"Dash through a stylized metropolis, hoard coins, and unleash power-ups to escape enemies who look exactly like you."
Survival
A mysterious 2D point-and-click puzzle game. Can you wake up?
Puzzle
A story about love across multiple lifetimes.
Visual Novel
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Four species,One destiny, Master their opposing natures before reality fades
Interactive Fiction
Burn File: The Cole Mercer Story is a fast-paced, stylized first-person shooter.
Action
Bullet hell meets speed. Dodge, shoot, and survive the relentless neon army.
Action
Play in browser
Dice Duel Collection: Two fast-paced dice games—Poker & Yahtzee fusion with strategic swaps, AI, vivid visuals.
Card Game
A healing heroic game
Role Playing
Another Breakout clone made in Gamemaker
Action
Lava Escape Platform Game
Platformer
An incremental idle clicker based loosely on the windows98 desktop environment.
another game for the doinkers
Shooter
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Survive the day, Defend the night!
Survival
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isekai
Visual Novel
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A soft, queer-tinged story about unsent messages, quiet courage, and the tender art of choosing what to say.
Interactive Fiction
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save the nature before the world ends in six season row
Strategy
Survive the onslaught of customers and increasingly difficult orders using your wits!
Strategy
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The fantasy roguelike grid based deck builder
Strategy
Carry cables, plug them, discover the secrets of life
Puzzle
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Art Puzzle Using Flat Animation
Puzzle
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A rhythm-based roguelike set in a cartoon-style feudal Japan.
Rhythm
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How long can you survive as the void speeds up around you?
Action
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Developed for the SoloDevelopment Marathon Jam #5
Puzzle
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Sunsave is a short incremental game vibe vaporware and minimalist vibe
Action
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You're trapped in the house! Explore, solve puzzles, and use the items you find to win your freedom.
Puzzle
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A short 2D platformer focused on movement, timing, and survival.
Platformer
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World War 2 in The Western Theater of War
Strategy
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A tricky and challenging game.
Puzzle
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Adventure
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A chip fabbing based automation game. Race against your competitors and strive for new techology to enchance your chips!
Simulation
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