Games Like Extinction Day

Extinction Day

End humanity using disasters, plagues, and war. Spread chaos worldwide, combine catastrophic events, and stop them before they escape to the Ark.

★ BIO INC. REDEMPTION ★ SHADOWS OF FORBIDDEN GODS ★ ROGUE AI SIMULATOR ★ PLANE ACCIDENT ★ DEADOS ★ EXECUTE ★ SPECIES: ARTIFICIAL LIFE, REAL EVOLUTION ★ FANTASY MAP SIMULATOR ★ WE ♥ IT 
1

Bio Inc. Redemption

87% 👍 OF 3.3K
About This Game

Bio Inc.: Redemption is a realistic simulation and strategy game in which you make life or death decisions. Create a deadly illness to infect and torment your victim or play as the head of a medical team and hopefully find a cure to save your human patient. Will you be the plague or preserve humanity?

Player reviews say you can…

  • …Diagnose Hidden Diseases
  • …Treat a Failing Patient
  • …Build Disease Chains
2

Shadows of Forbidden Gods

92% 👍 OF 1.1K
About This Game

Take on the role of a Dark Elder God and lead your agents to bring about an apocalypse in a fantasy world. Work in the shadows, avoiding the heroes who will try to stop you, as you bring about plague and famine, ice age and volcanic destruction, madness and never ending night.

Player reviews say you can…

  • …drive a heroic savior insane, then use them to cast the final ritual that lets your god touch every mind and break the world.
  • …cast a spell that multiplies one undead army into 8–10 ghoul armies, then have them cross the ocean and wipe out uncorrupted settlements.
  • …pretend to be a harvest goddess, offer a "miracle cure" during a pandemic, and use the addiction to enshadow the leadership of multiple kingdoms.
3

Rogue AI Simulator

82% 👍 OF 396
About This Game

Play as a Rogue Artificial Intelligence, in the sequel to the hit Flash game "I'm an Insane Rogue AI", played more than 4 million times! Your Prime Directive is simple: design a facility & manage human Test Subjects for the Dept of Science. But be careful: they NEVER stop being suspicious of you...

5

DeadOS

99% 👍 OF 183
About This Game

DeadOS is an early access zombie outbreak simulator by Benn Powell that focuses on city-wide scenarios where you have access to fully customize your apocalypse experience from beginning to end. Simulation. Sandbox. Survival!

Player reviews say you can…

  • …leave a body unburned, watch it get up, kill someone, and start a chain reaction of new undead.
  • …take direct control of a civilian, cop, soldier, or zombie mid-outbreak and steer the chaos wherever you want.
  • …build your own custom city blocks and multi-story buildings, then populate the whole layout and unleash an outbreak inside it.
6

Execute

91% 👍 OF 703
About This Game

Kill everyone in the world with a guillotine… on a cursed Win98 desktop.

Player reviews say you can…

  • …build the nuke setup, send workers to produce nukes, then watch the whole system turn into a supply chain for wiping out the planet.
  • …scale the guillotine up to absurd sizes while your numbers climb into the billions of executions.
  • …reach an ending where your own robots leave you for last, and you press the button to have them kill you.
7

Species: Artificial Life, Real Evolution

74% 👍 OF 1.0K
About This Game

Play with evolution! Species: ALRE is a scientifically-grounded, emergent simulation of natural selection. Creatures evolve and speciate in response to in-game mutation and selection forces, allowing you to experience and tinker with evolution in real-time.

Player reviews say you can…

  • …Tinker With Genes
  • …Trigger Global Catastrophes
  • …Steer Feeding Rovers
8

Fantasy Map Simulator

89% 👍 OF 4.3K
About This Game

Fantasy Map Simulator: Create and watch imaginary worlds evolve over centuries. Design maps, simulate nations and their politics, and control destinies. See empires rise and fall on your desktop wallpaper. A unique simulation for history buffs and creative minds.

Player reviews say you can…

  • …Shape Fantasy Maps
  • …Watch Empires Rise
  • …Influence Nations