Games like Onset on Steam
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Starblast
Fun, fast paced online multiplayer arcade space shooter. Take control of your spaceship, mine asteroids, increase your stats, upgrade to different types of spaceships with improved stats and weapons. Fight against other players and collect their gems.
Windforge
WindForge is a side-scrolling block-building game where you explore hostile skies in an ever-changing Steampunk world. Everything you see can be created or destroyed, creating an RPG without barriers that rewards creative problem solving and improvisation.
Celestial Command
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Fantasy Tales Online
Fantasy Tales Online is a retro MMORPG where you must form parties, collect gear, fight through dungeons and defeat bosses. Featuring puzzles, a rich item system and complex encounters. This isn’t your run-of-the-mill grindfest MMO title!
stein.world
Stein.world is a real-time MMORPG in a beautiful fantasy world with many common game features from the MMO genre: A big and persistent fantasy world with a lot of variety filled with hundreds of quests and items, dungeons, professions and much more to come.
Forge Quest
Forge Quest is a dungeon crawling rpg set in a voxel world. Explore the land full of chickens on a light hearted quest to become a hero. Delve deep into the randomly generated dungeons to battle monsters, find treasure and craft your equipment. Invite your friends to join your world and help you in your adventure.
DeathSpank
For uncounted years, DeathSpank has been a Dispenser of Justice, a Vanquisher of Evil, and a Hero to the Downtrodden.
Global Agenda: Free Agent
2155. From the ashes of the devastating Third Great War rose the Commonwealth, an oppressive world government determined to control the entire planet. The few remaining independent factions retaliate the only way they can, with elite teams of special operatives trained in advanced warfare tactics and equipped with high-tech weaponry.
Touhou Blooming Chaos
Touhou Blooming Chaos is a shooting game, Reimu Hakurei and Marisa, fighting enemies with barrages and spell cards. Unlike general shooting games, the operation is more flexible and there are more areas to explore. A gorgeous game experience is irresistible!
Alien Shooter 2 Conscription
The Great War has begun! The world population capable of functioning is mobilized to serve in the army and the outcome depends on you!
Project 5: Sightseer
Open world multiplayer sandbox/RPG game. Explore, gather, build, research, and fight to protect what's yours -- by yourself or together with your friends.
Fantasy of Expedition
Fantasy of Expedition is a Roguelike Strategy Adventure Game where players lead their own army on an expedition mandated by the Heavens. Be careful what choices you make on our randomized maps! Recruit, purchase, and gather relics to win battles and solve events. Your destiny awaits!
Evil Genome 光明重影
3D metroidvania game Evil Genome is coming! Heroine Lachesis will lead you to explore the vast wasteland world, experience different battles as well as develop your own character!
Notes of Soul
The gleaning club is an immersive game experience hall, where you can participate in the script arranged according to the story by role playing. Or learn folk knowledge and taste strange culture, or realize the sad but warm past of the protagonist of the story.
Black Desert
Played by over 20 million Adventurers - Black Desert Online is an open-world, action MMORPG. Experience intense, action-packed combat, battle massive world bosses, fight alongside friends to siege and conquer castles, and train in professions such as fishing, trading, crafting, cooking, and more!
It's Only Money
The mayor of Rockhaven threw you down a hole into the Undercity. Why? Net worth too low. In this open-world simulation, you and up to 3 pals will steal, fight, and scheme to reclaim the city. Customise your rides, buy businesses, and take on the Mayor’s forces. Rockhaven is yours for the taking!
Just Cause™ 3: Multiplayer Mod
Just Cause 3 Multiplayer mod is a free fan-created project bringing an explosive and highly-customizable multiplayer.
Spell Fighter VR
[Old archival game] An FPP fantasy VR demo made in 2016 to test Vive's motion controllers. Works only with HTC Vive and was never upgraded to work with other VR controllers after they eventually released. It was always a free, hobby project.
Neverwinter
Neverwinter is a free, action MMORPG based on the acclaimed Dungeons & Dragons fantasy roleplaying game. Epic stories, action combat and classic roleplaying await those heroes courageous enough to enter the fantastic world of Neverwinter!
It Lurks Below
It Lurks Below is an action-oriented, survival RPG in a randomly generated world. Fight through the massive underground dungeon, customize your character with random items and find out what evil lurks below.
Ring Runner: Flight of the Sages
Ring Runner combines the fast-paced action of space combat with the rich story and skill variety of an RPG.Trek across the universe in a 30 hour long story-driven campaign based on a companion Sci Fi novel, or challenge 6 scenarios alone, cooperatively, or competitively through local or online multiplayer.
Ascent - The Space Game
Ascent is a PVE sandbox space MMO with 270 BILLION star systems and an emphasis on strong Sci Fi. It encourages Exploration, Colonization, Research, Asteroid mining, Farming, Trading, and Combat. Outside the tutorial sector, everything in-game has been built by players.
Oceanhorn: Monster of Uncharted Seas
Oceanhorn: Monster of Uncharted Seas combines captivating storytelling, breathtaking 3D visuals and exciting gameplay into one epic action-adventure experience. In the game you explore the islands of Uncharted Seas, a world filled with many dangers, puzzles and secrets.