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My jam games - Prototypes

a collection by komehara · last updated 2026-03-27 19:14:06

Games I've developed for a jam, that are considered incomplete in features or content.

Daughter of Pearl
Dive in, fight mechanical monsters, and recover the stolen pearls in this story-driven 2D metroidvania
eva
Platformer
Play in browser
komehara says
Metroidvania Month 31 x MGGJ 13
Spin Knight
Use the power of rotation to defeat a terrific boss in this top-view combat game!
komehara
Action
Play in browser
komehara says

Boss Rush Jam 2025 entry

Downscaled Adventures
A teensy adventure for the whole family
komehara
Adventure
Play in browser
komehara says

Made for Lospec Jam 2

A Day in AAA
Follow a game programmer for one day at a AAA developer
komehara
Visual Novel
Play in browser
komehara says

Made for NaNoRenO 2023

Era's Time Delivery Service (prototype)
Turn-based battle with time powers
komehara
Role Playing
komehara says

Made for Magical Girl Game Jam #6 (Aug-Sep 2022)

Eminent Domain (prototype)
Scrolling shmup in a mech
komehara
Shooter
komehara says

Made for MechJam III (July 2022)

Finding Inspiration (prototype)
Novel writing simulator
komehara
Simulation
komehara says

Made for GGJ 2021

Anima (prototype)
Forensic Reconstruction System
Cicero106
Puzzle
Play in browser
komehara says

Made for GameDev.tv Community Jam (May 2020)

Reminiscence (prototype)
Draft of terminal-based single-word text adventure about exploring memories
komehara
Interactive Fiction
komehara says

Originally developed during commuting in public transports, but submitted for Fragment Jam (June 2019)

My Family Business (prototype)
Shopkeeping simulator
komehara
Simulation
Play in browser
komehara says

Made for LD 44 (Apr 2019)

Josef and the Toy Fair (intro)
Revitalize a business with the nostalgia of classics, or the pursuit of modernity?
komehara
Visual Novel
komehara says

Made for NaNoRenO 2018

BioLab
Multiplayer rpg game in Lab Made at Scientific Gamejam CRI Paris 2017
NachoVR
Role Playing
komehara says

Made for Scientific Gamejam CRI Paris 2017

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