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Action

Featuring fast-paced gameplay, combat mechanics, and challenges that test reflexes and coordination. Often involving physical confrontations, weapon usage, and strategic maneuvers to overcome opponents or obstacles.

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Top rated free Actiontagged Open Source (124 results)

Explore Action games tagged Open Source on itch.io · Upload your games to itch.io to have them show up here.

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A go kart racing game featuring Tux & Friends
Rated 4.8 out of 5 stars
(133 total ratings)
Action
Classic overhead run-and-gun game
Rated 4.8 out of 5 stars
(21 total ratings)
Shooter
Paddle Pinball Vs a Giant Robot
Rated 4.8 out of 5 stars
(17 total ratings)
Action
A fun 2D retro platformer inspired by Sonic games and a game creation system that lets you unleash your creativity!
Rated 4.6 out of 5 stars
(16 total ratings)
Platformer
Port of Glider PRO, the classic Macintosh paper airplane game
Rated 4.7 out of 5 stars
(9 total ratings)
Action
Play in browser
A study of consequence
Rated 4.9 out of 5 stars
(8 total ratings)
Action
Play in browser
4KB Typing Infinite Runner
Rated 4.4 out of 5 stars
(11 total ratings)
Survival
Play in browser
A game about shooting everything, anime girls, and insane movement. Welcome to the future.
Rated 4.2 out of 5 stars
(9 total ratings)
Shooter
Send dinosaur eggs to the future before a meteor hits the Earth!
Rated 4.6 out of 5 stars
(7 total ratings)
Action
Build your ship and own the skies in this arcade/physics sandbox
Rated 4.8 out of 5 stars
(6 total ratings)
Action
Play in browser
20 Levels of Screen-Wrapping Arcade Action!
Rated 4.1 out of 5 stars
(8 total ratings)
Platformer
Play in browser
a top down action packed mashup of everything i could think of
Rated 4.8 out of 5 stars
(5 total ratings)
Action
Collect keys, kill enemies, dodge obstacles and get to the end before the time runs out!
Rated 4.3 out of 5 stars
(6 total ratings)
Platformer
Airdrop into an enemy stronghold, recover stolen intelligence and technology. Fight your way out.
Rated 4.3 out of 5 stars
(6 total ratings)
Platformer
Play in browser
A metroidvania platformer about a spider
Rated 5.0 out of 5 stars
(4 total ratings)
Action
Rated 5.0 out of 5 stars
(4 total ratings)
Action
Fast paced roguelike where you break everything in one hit, ...but so do your foes
Rated 3.9 out of 5 stars
(8 total ratings)
Action
Play in browser
Bullet-Hell Platformer Boss Rush - Ludum Dare 41
Rated 4.4 out of 5 stars
(5 total ratings)
Action
My ld45 entry.
Rated 4.8 out of 5 stars
(4 total ratings)
Action
Play in browser
Open-source Hollow Knight reimplementation via SPD engine.
Rated 4.8 out of 5 stars
(4 total ratings)
Adventure
Python programming puzzle game
Rated 4.0 out of 5 stars
(6 total ratings)
Puzzle
Shoot the robot virus
Rated 4.5 out of 5 stars
(4 total ratings)
Shooter
Play in browser
Rated 5.0 out of 5 stars
(3 total ratings)
Action
Play in browser
Hurl babies through five exciting levels in a flappy inspired side scroller with a Floridian twist!
Rated 5.0 out of 5 stars
(3 total ratings)
Action
Play in browser
Arcade-style 2D multiplayer team combat game with simple mechanics
Rated 5.0 out of 5 stars
(3 total ratings)
Action
An open source Godot Engine game!
Rated 5.0 out of 5 stars
(3 total ratings)
Action
A source port of Serious Sam Classic: The Second Encounter and a complete overhaul of Serious Engine 1.10.
Rated 5.0 out of 5 stars
(3 total ratings)
Shooter
Schoolboy was late for schools and make his way to class
Rated 4.3 out of 5 stars
(4 total ratings)
Action
Play in browser
Pac-man like fantasy maze arcade game
Rated 4.7 out of 5 stars
(3 total ratings)
Action
Play in browser
An open-source 3D game about a dog that escapes from it's room...
Rated 4.7 out of 5 stars
(3 total ratings)
Action
Play in browser
A cozy little 2D top down mage game. You cast spells by typing their name.
Rated 4.7 out of 5 stars
(3 total ratings)
Action
Play in browser
Rated 4.0 out of 5 stars
(4 total ratings)
Puzzle
Play in browser
Action platformer set in a cyberpunk future
Rated 4.0 out of 5 stars
(4 total ratings)
Platformer
Play in browser
Ricochet around an alien world with chunky pixel pinballs!
Rated 4.3 out of 5 stars
(3 total ratings)
Action
Play in browser
Microgames in a New York deli
Rated 4.3 out of 5 stars
(3 total ratings)
Action
Play in browser
High-powered action rescue in a toy store gone mad!
Rated 4.3 out of 5 stars
(3 total ratings)
Action
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