This jam is now over. It ran from 2020-11-13 20:00:00 to 2020-11-15 20:00:00. View results

The theme for the jam is: SYNERGY

Read more about the theme here:


Welcome to the second OPR Game Jam!

This is a 48hr game making marathon, focused on creating one-page miniatures games. The game jam runs from  November 13th, at 8PM UK time, to November 15th, at 8PM UK time / November 13th at 3PM ET time to November 15th, at 3PM ET time.

Join the OPR Discord server to chat and find a team (if you want one):

Submission Rules:

  1. The game has to follow the theme: Synergy
  2. The game must fit on a single sheet, using the template provided here:
    • The front page must contain all of the game's core rules.
    • The back page may optionally contain rules on unit creation or special rules.
  3. Every game must be submitted along with the following:

Please make sure to submit your game in .pdf format so that it's easy for everyone to read it on mobile and desktop!

Example of a what a correct submission should look like:

Check out the last jam for more examples:

Here's everything else you need to know:

  • Who can submit? Anyone can submit a game,  and you may work alone or in teams.
  • Who will judge the games? The games will be judged by the public, and then OPR will highlight a couple of our favourites on the OPR website. There is no winner or prize, it's all just for fun!
  • What will the games be judged on? This is a contest in simple, clear and interesting design, so gameplay and readability are more important than complexity and simulation. The criteria for judging will be "Design", "Originality" and "Adherence to the Theme".
  • Who has the rights on games created during the jam? The game creators retain the rights to their own games, and they won't become part of OPR's catalogue of games unless specifically agreed between the creators and OPR after the jam.
  • Anything else? Submissions may not contain nudity, hateful language, or hateful images.



All submissions
Windows (1)
macOS (1)
Linux (1)
Android (1)

No submissions match your filter

A game of mechanized combat that relies heavily on unit symbiosis.
Cyberpunk Sports miniature game. Get the ball, and avoid the traps and hack your way into the victory!
Create your Fighters and take to the sand in Deadly Arena Combat
A miniatures game of Synergy and combat.
Clash of Battalions of Napoleonic Era
Objective-based skirmish game without a deterministic RNG.
In Mega Tank! you are part of a massive battle tank in the final battle of the war. Can you and the crew survive it?
Sprint, Upgrade, Jockey for Control!
Simple WW2 wargame
Fun & Fast Paced Magical Mayhem - Two teams fight off to banish a Magical Creature controled by the game.
A Tabletop Strategy Game
Synergise the parts of your bot; then destroy all your rival droids!
Your group is lost within enemy territory, it is dark and they haven't seen you yet. Perfect time for an Ambush.
Elemental Fury: A miniatures skirmish game featuring epic battles between armies of elementals.
Build fleets, conquer islands, loot treasure!
Get the Data, Get out
Elemental wizards clash in a game of quick wits and natural fury!
brawling and destroying the city
A game of adorable tiny robots fusing into horrible unholy monsters.
a tabletop war game of tactics, teamwork, and dumb luck