Top similar games like Monsters sandbox:

Welcome to Masked Forces 3, the ultimate FPS simulation! This is a game where you can test and improve your shooting capabilities against multiple game modes.

Counter-Strike Nexon: Studio is a Free to Play MMOFPS offering competitive PvP and PvE action including content from the original Counter-Strike and all new game modes, map creation function, weapons, and hordes of Zombies!

A strange fog rise up. You grabbed your shotgun when you heard a voice outside. Wtf Zombies. Try to stay alive for 5 minutes and kill them all to win and unlock next difficulty level.

What will you do when the zombie apocalypse comes, are you ready to tackle it right now and stay face to face with all the horrors that will appear?

There was an infection in a large part of Rio De Janeiro and, in order not to spread, the government built retaining walls, whoever is inside will not be able to leave and will have to survive until the cure is discovered.

A classic-style hardcore dynamic shooter which takes place in a science underground center.

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.

Black Ops Cold War, the direct sequel to Call of Duty®: Black Ops, will drop fans into the depths of the Cold War’s volatile geopolitical battle of the early 1980s.

Call of Duty®: Vanguard includes a deeply engaging single player Campaign, a massive Multiplayer offering featuring over 20 maps including 16 built for core Multiplayer and an exciting new Zombies experience developed by Treyarch.

Gehinnom is a multiplayer horror game for 1-4 players. (Demo is single-player only). Collect clues and complete quests to perform a ritual and banish the demon that hunts you. Everything in Gehinnom is randomly generated, so you will always be scared.

4-player online co-op, demon-slaying madness. Slaughter endless hordes of demons, either solo or with friends.

Dead Alliance™ is a fast-paced, multiplayer first-person zombie shooter set in a post-apocalyptic world, where former military bases have been turned into the only remaining city-states.

UFOBIA is a cooperative horror game for 1 to 4 players who need to solve puzzles and face beings from another planet.

Hello Space Survivors, this is little shooter game. Which is now most about shooting zombies but pvp will hopefully follow. Please also read the long description.

Build, shoot, repair, upgrade! 1-4 players build and defend a barricade from waves of zombies that will tear through your barricade to devour you in this retro FPS.

PERISH is a stylish 1-4 player FPS with a cross to bear. Slay hordes of creatures on the black sands of Purgatory and sell their gold-stained corpses to craven priests. Kill magnificent bosses and use the proceeds to gain entrance to Elysium, a place of cosmic revelations.

Blood Strike is a free FPS game which has more than 300 million faithful players in China. Now the battle is on, there are various modes and weapons for you to explore! Call your friends and join us,get into the battle field now!

Dead Containment is an on-rails shooter inspired by classic arcade games. Players fend off the undead as they race through a city under siege, blasting away the horrors that roam the streets using a variety of weapons. Playable solo or online co-op.

Demons are searching for a new home—what better place than Sin City? Play solo or in a team of up to four in this wave-based first-person shooter survival game. Fight to escape the hellbreach as the demon army invades Las Vegas. How long can you survive?

World War Z is a heart-pounding coop third-person shooter for up to 4 players featuring massive swarms of hundreds of zombies, focused on fast-paced, gruesomely spectacular action.

Serious Sam HD: The Second Encounter is a visually upgraded and fully Steam supported remake of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month!

online multiplayer game, kill zombie and win others to get new items.

Undead Awakening,Where you can play multiplayer and frag players or play zombies and survive wave of zombies.

The World Is Pure F.U.B.A.R. Come together and fight with your friends against never ending waves of the undead.. or go solo and take on the treacherous horde alone.

Serious Sam 4 reignites the classic FPS series in a high-powered prequel loaded with an explosive arsenal, intergalactic carnage, and perfectly timed one-liners.

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.

Escape From Zombies is played alone or in cooperation, on a map where the player(s) must repel waves of zombies. It should be noted that the game does not end until all players are dead, the main goal is to beat the record of survived round.

Winner of 2010′s Make Something Unreal contest, The Haunted: Hells Reach is a fast-paced horror game where your goal is to liberate cursed places and survive the assault of Hell.

Brick-Force is a sandbox shooter that lets you BUILD your own battlefields, SHARE them with other players, and PLAY many challenging game modes in fast-paced PvP matches!

Pavlov vr is a multiplayer shooter in VR with heavy focus on community features. Realistic reloading features and fast paced combat as part of the core experience. Play the #1 most popular VR shooter on PC today.

Counter Operation Online ( COO ) revived by the hurricane team game COO, includes maps, weapons, game modes, as well as an incredibly realistic confrontation with terrorists.