• Add possibility to "run" and "crouch" in-game
• Fix weird grenade speeds on servers with inconsistent FPS's
• More diverse zombies in survival mode
• Improved particle system
• Actual day/night system in survival mode
• Improved gun shop UI
• Team revival
• Add water (still or streaming)
• Unlockable regions in survival mode
• "Class" management & unlockable weapons per level
• Deployable traps & tools (turrets, alarms, mines)
• Weapon attachments (flashlight, laser sights)
• More achievements (longshot, noscope)
• Realistic mode (more damage, no corner peeking)
• Seperate gun handling for double weapons (individual magazines / shooting / aiming)
• Melee weaponry (Swords, knife, taser, crossbow, baseball bats and whatnot)
• Detailed player animation system (which allows for dead bodies)
• Last man standing - Deathmatch-like game mode infested with zombies
• Team camp survival - Defend your own camp from the enemy and zombies, and attack the other team's camp
• Matchmaking service
• Killstreaks (airdrops, mortars, etc.)
• Vehicles in Multiplayer (for example for supply runs in zombie survival mode)