Survivalist

It's one year after the collapse of civilization and self-centered hedge fund manager Joe Wheeler emerges from his specially constructed bunker in search of food. This is a huge open-world Role Playing Game where you have the freedom to play how you want - but your choices have consequences. Your aim is to find other survivors, gain their respect, and build a community. You'll scavenge for supplies, trade, plant crops, go on quests, face moral dilemmas, go to war, and uncover dark, terrible secrets!

• Innovative dialog system with characters that remember your actions and form their opinion of you accordingly.
• Combines Action-RPG and Real-Time Strategy elements - you can take control of, or issue commands to, any character that joins your community.
• Fast zombies and challenging combat that requires you to make use of all resources available to survive!

There's also a sequel, Survivalist: Invisible Strain!