Top similar games like Riverside:

Step into the boots of Grayson Hunt after a crash landing on an old resort planet forces him to make a hard choice: survival or revenge. Execute masterful kills with Bulletstorm: Full Clip Edition’s unique combat system that rewards you for performing the most creative and deadly kills imaginable.

The fate of the world is in your hands. New and old enemies threaten the peace you worked so hard to achieve 24 years ago. Your search for the Alpha Ceph continues, but this time you'll also need to expose the truth behind the C.E.L.L. corporation.

F.E.A.R. 3 delivers all the hallmarks that define the F.E.A.R. brand: terrifying paranormal experience, frenetic combat and a dramatic storyline.

Half-Life Deathmatch: Source is a recreation of the first multiplayer game set in the Half-Life universe. Features all the classic weapons and most-played maps, now running on the Source engine.

Assume the role of Special Forces Sgt. Becket as your routine mission quickly turns into a fight for survival against the wrath of Alma Wade. As Alma's terrifying power surges out of control, your squad is forced to battle through an apocalyptic landscape in search of clues for how to destroy her!

From one of gaming’s most acclaimed sagas, Gears is bigger than ever. With all-out war descending, Kait Diaz breaks away to uncover her connection to the enemy and discovers the true danger to Sera – herself.

Half dead is a multiplayer sci-fi game about a violent TV show. The players' goal is to survive in a network of rooms full of traps.

Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.

Halo: Campaign Evolved is a faithful yet expanded remake of Halo: Combat Evolved’s campaign, rebuilt from the ground up. Play the legendary story with HD visuals, refined controls, up to 4-player online co-op, 3 new missions, and an expanded arsenal of weapons, vehicles, and new enemies.

You & your friends are the deadliest killers in the galaxy – the US Colonial Marines. It’s up to you to not just survive, but wipe out the Xeno infestation.

NOW AVAILABLE! When the Earth falls to an extra-terrestrial invasion, humanity becomes an endangered species. Earthfall is a four-player cooperative shooter that challenges players to survive hordes of ruthless alien drones and their inscrutable masters.

After exploring the new planet, the space crew became infected with an unknown virus. After a long epidemic, the space station plunged into chaos. Various mutations took place with the crew of the ship, which clouded their minds. Make your way to the rescue shuttle through the mysterious danger.

As part of the elite Rhino Squad, you must spearhead Earth’s military invasion of a hostile alien homeworld. But, in this desperate war for humanity’s survival against an unrelenting enemy, you may discover that the only way to defeat them...is to become one of them.

An intense first person shooter that delivers a twisted and gripping narrative of tragedy, modern crime drama, and supernatural horror.

A third-person Action/Shooter that thrusts players into a sci-fi flavored nightmare scenario set in the post Cold War era.

A massive demonic invasion has overwhelmed the Union Aerospace Corporation's (UAC) Mars Research Facility, leaving only chaos and horror in its wake. As one of only a few survivors, you must fight your way to hell and back against a horde of evil monsters.

Wolfenstein: Youngblood is the first modern co-op Wolfenstein adventure. Team up with a friend or play solo as one of BJ Blazkowicz’s twin daughters and wield a powerful arsenal of new weapons, gadgets, and abilities to liberate Paris from the Nazis.

Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay.

Hell’s armies have invaded Earth. Become the Slayer in an epic single-player campaign to conquer demons across dimensions and stop the final destruction of humanity. The only thing they fear... is you.

Serious Sam Classic: The Second Encounter is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month February 2002!

Go through deadly rooms of multi-storey building. Team up with other players and make your way through traps with a friendly team (CO-OP)! Or take a weapon and kill them all in the PvP game mode!

RAID: World War II is an action-packed four player cooperative shooter set during a time when the Nazi war machine was still winning, and hope was in short supply.

Space Hulk: Deathwing is a First-Person Shooter experience based on Games Workshop's classic Space Hulk boardgame set in the universe of Warhammer 40,000.

In a free, add-on mod for Killing Floor, created by David Hensley (with help from Killing Floor originator, Alex Quick), you can fight off the bizarre and warped toys of someone's nightmare, that are hell-bent on finishing you off. All the standard Zeds are replaced with evil toys, set in the Devil's Dollhouse map.

A co-op game about exploring dangerous planets with your teammates, collecting and selling scrap metal to survive from the corporation. Assemble your own robot to help your team in your own way. Never be a “rusty coffin”.

The critically-acclaimed and award-winning FPS franchise is back! Packed with tons of fast-paced, adrenaline-fueled single player and multiplayer action, Painkiller Overdose brings with it 6 innovative new demonic weapons, mind-bending physics, lightning-player maps, over 40 demented and sickly-twisted monsters from Hell and gigantic end...

Devolverland Expo is a first-person 'marketing simulator' set within an abandoned convention center after the annual Devolver Digital game expo was mysteriously canceled.

Powered by id’s revolutionary id Tech® 5 technology, RAGE is an intense first-person shooter with breakneck vehicle combat, an expansive world to explore, and jaw-dropping graphics!

Tragedy! Santa; the toy giving folk-hero, and purveyor of fine Christmas goods, has had enough. Endless requests from greedy children wanting more and more every year, tax increases, pressure from elf unions, bills, reindeer!

The classic Painkiller series is back! Battle through Purgatory in fast-paced co-op action, wielding infernal weapons against relentless demonic hordes. Condemned for your sins, the Voice of the Creator offers you a chance at redemption. Will you seize it or be lost to darkness?

Serious Sam is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Year 2001!

Back 4 Blood is a thrilling cooperative first-person shooter from the creators of the critically acclaimed Left 4 Dead franchise. Experience the intense 4 player co-op narrative campaign, competitive multiplayer as human or Ridden, and frenetic gameplay that keeps you in the action.

S.B.T.F. is a very hard arcade-style / rogue-like / perma-death first person shooter. You play as Marines who must brave dark, claustrophobic and terrifyingly intense Space Beast infested spacecraft in order to extract critical data and lucrative upgrades. Can you make it out alive?

Enter the nightmarish world of Last Year, where you and four other classmates try to survive, fight back and ultimately escape a horrifying Fiend in this unique horror asymmetric game.