Singularity AlternativesFirst-Person Shooters and other similar apps like Singularity

Half-Life is a science fiction first-person shooter video game developed by Valve Software, the company's debut product and the first in the Half-Life series.

Call of Duty is a military video game series and media franchise published by Activision, starting in 2003. The games were first developed by Infinity Ward, then by Treyarch and Sledgehammer Games. Several spin-off and handheld games were made by other developers.

Borderlands is a first-person shooter mixed with role-playing game (experience, specializations) that takes you to a mysterious planet, looking like a futuristic Wild West.

Going beyond "run and gun corridors," "monster-closet AIs" and static worlds, BioShock creates a living, unique and unpredictable FPS experience. After your plane crashes into icy uncharted waters, you discover a rusted bathysphere and descend into Rapture, a...

Mafia is a series of action-adventure video games developed by 2K Czech (formerly Illusion Softworks) with the third installment by Hangar 13, and published by 2K Games.

Nexuiz was originally developed by Lee Vermeulen and Forest ‘LordHavoc’ Hale, who started Alientrap in the summer of 2002. The goal of the project was to create a high quality first person shooter that could be played freely across all platforms in one package: PC, Mac, and...

Halo is a science fiction, first-person shooter video game series, that centers on an interstellar war between humanity and a theocratic alliance of aliens known as the Covenant.

Tremulous is a free, open source game that blends a team based FPS with elements of an RTS. Players can choose from 2 unique races, aliens and humans. Players on both teams are able to build working structures in-game like an RTS.

Unvanquished is a free, open-source first-person shooter combining real-time strategy elements with a futuristic, sci-fi setting. It is available for Windows, Linux, and Mac OS X.

SUPERHOT is the first person shooter where time moves only when you move. No regenerating health bars. No conveniently placed ammo drops. It's just you, outnumbered and outgunned, grabbing the weapons of fallen enemies to shoot, slice, and maneuver through a hurricane of...

Bulletstorm focuses on combat, both with firearms and melee attacks. There are a variety of fictional firearms available, although the game also places heavy emphasis on kicking enemies and using the energy leash.

Developed by id® Software, the creators of DOOM® and QUAKE®, RAGE is a groundbreaking first-person shooter set in the not-too-distant future after an asteroid impacts Earth, leaving a ravaged world behind.