Alien Grounds

Alien Grounds is a fast sci-fi action FPS built around arena shooter combat against relentless enemy hordes - a clean, high-speed loop of short runs, escalating pressure, and mastery. It blends boomer shooter energy with a sci-fi setting and light roguelite structure.
Missions
Each mission is a short run with its own score.

Completed mission scores add to your Overall Score.

Play the next mission, or replay to improve your result.

Progress saves after each mission you complete.

Enemies
Runner - fast, light hits.

Tank - slow, heavy hits.

Shooter - keeps distance and fires.

Phantom - subtle and hard to see.

Weapons
Pistol - Low damage, limited ammo.

Automatic Rifle - Standard damage with recoil and spread. Ammo refills when low.

Laser Gun - Standard damage with infinite energy and no recoil, but overheats if overused.

Gravity Gun - Standard damage with infinite energy and no recoil, but speeds up the fight.

Annihilator - Close-range panic button with a short recharge.

Chem Gun - Poisons enemies. Kills trigger after enough enemies are poisoned.

Freeze Gun - Area control tool that locks enemies in place. Slow recharge.

Difficulty Levels
Easy - Relaxed and forgiving. Learn the systems.

Medium - The intended experience. Balance and precision matter.

Hard - Deadlier enemies. Tight resources. Highest multipliers.

Score
Your Overall Score is ranked on two leaderboards: monthly and all-time.
Top monthly players are added to the Hall of Fame.
Score higher by:
Headshots

Shoot fireballs

Knock enemies off the map

Use the gravity gun at high speed

Use the pistol

Avoid powerful weapons (chem gun, freeze gun, annihilator)

Play higher missions and harder difficulty levels

Just Play
Have fun. Shoot more. Score higher.