Games like Half-Life 2: Episode One

Deadzone: Rogue is a roguelite FPS set in space. Blast through swarms of hostile machines, combine powerful augments and elements to forge your build, and grow stronger with each run — solo or in co-op.

Sid Meier's Alpha Centauri™ Planetary Pack includes the original Alpha Centauri and the expansion, Alien Crossfire.

APP HAS BEEN RETIRED!

KILLMAGE is a fast-paced arena shooter with the hordes of the Immortal closing in on you. The Sound rings into the night, don't stop, kill them all.

A space shooter in which you must defeat alien robots.

迷离是一款氛围感与沉浸感极强的第一人称恐怖解密射击游戏，几年前，一家人误入了一个神秘村落，几年后，这家人相继自杀。你受人委托前去调查这桩诡异迷离的凶案，在凶案地点，这里的煞气压的你喘不过气，并在深入的探索中发现了一个恐怖的真相。

Kill Invaders - Dive into a thrilling multiplayer FPS with an alien storyline. Defend Earth in a battle against extraterrestrial invaders! Single Player, Multiplayer, Deathmatch and Battle Royale Modes !

Step into a world over run with Mycha, a strange mineral with seemingly magical powers. Clear monster-infested environments and protect researchers on your own or with up to three other players online. Welcome to The Federation.

A fateful meeting sets off a chain reaction, upending Mark's life. People disappear and memories prove unreliable. Uncover a hidden truth with Mark and his friends in this narrative adventure and race to unravel the mystery before it's too late.

Explore a decaying industrial world left behind in humanity's never-ending race to conquer the stars. Beneath its iron skies, desperate souls kill and steal for passage to the still-plentiful frontier worlds. Sink or swim in this high-octane first-person shooter with immersive sim elements.

BlockStar VR is a VR shooter where you put your reflexes to the test by shooting blocks and completing challenges in an action-packed futuristic tournament. Play the 40-mission story mode and show that you have what it takes to flex on the leaderboard!

After centuries of invincibility, it became popular for humans to watch live alien hunting shows, participate in alien hunts, save up money, equipment, and use all the loot you find to move on to new maps and defeat more powerful enemies.

A short horror game where you control a decaying spacecraft exploring distant star systems.

MINDS BENEATH US is an emotional sci-fi narrative game. Through the eyes of a humble individual, experience a mad world where humans are exploited as computing devices for AI. Listen to the concerns of those you meet and offer guidance. Together, face challenges and confront an uncertain destiny.

《Your Mother》is a computer desktop companion. Experience the love and kindness from mothers.

Nodebuster is a short, experimental incremental game about busting nodes and destroying reality.

A quirky, absolutely content-packed, destructible open-world sandbox adventure with combat, platforming, character customization, and collect-a-thon scavenger hunt experience. Play solo, 2-player split screen, or online co-op for up to 4 players. No paid cosmetic DLC nonsense.

Experience the epic Horizon Forbidden West™ in its entirety with bonus content and the Burning Shores expansion included. The Burning Shores add-on contains additional content for Aloy’s adventure, including new storylines, characters, and experiences in a stunning yet hazardous new area.