Press F12 + Page Up to open the developer console. Type Restore Sanity to max out mental health. Type Unlock Doors to bypass RP requirements (warning: this breaks the ending flags).
Yes. If your base defenses are too low during a raid or if you fail certain story-critical choices, you can lose community members permanently. A Zombies Life Walkthrough
A Zombie’s Life is not a good game. The translation is machine-level garbage ("I am needing the foods for the surviving"). The combat is clunky. The pacing is glacial. Press F12 + Page Up to open the developer console
Located to the left of your house; a primary spot for sending allies to scavenge for early supplies. A Zombies Life Walkthrough