Alien Grounds (AppID: 3351550)

Brutal, Fast, and Free

Alien Grounds is a no-nonsense, fast-paced FPS where the difficulty ramps up fast.
It starts easy. Then it gets personal... and addictive.

• Hard mode that earns its name – no tutorials, no mercy 

• Easy mode available – for training or casual play

• Every shot counts – smart aiming = higher scores

• Maps shift mid-battle – no two runs feel the same

• Steam achievements – brutal challenges only a few will ever earn

• Instant action – no cutscenes, no waiting, just fight

You’ll die. You’ll retry. You’ll get better.
And if you make it to Mission 100 on Hard… you’ve earned bragging rights.

Weapons

• Pistol – Low damage, limited ammo. Best used for headshots. Starts in Mission #1.

• Automatic Rifle – Recoil, bullet spread, and a scope. Ammo resupplies when low. Unlocks in Mission #2.

• Laser Gun – No recoil, infinite energy, scoped – but it overheats with sustained fire. Unlocks in Mission #3.

• Gravity Gun – No recoil, infinite energy, scoped – but it speeds up time. Unlocks in Mission #4.

• Annihilator – Annihilates nearby enemies. Short recharge delay. Activate with middle mouse button. Unlocks in Mission #5.

• Chem Gun – Won’t kill a single enemy, but devastating against groups. No ammo or recoil. Unlocks in Mission #10.

• Freeze Gun – Freezes enemies solid. Proximity-triggered effect, penetrates walls, no recoil, widest range. Unlocks in Mission #15.

Scoring & Bonuses

• Highest score: Pistol

• Standard score: Automatic Rifle, Laser Gun, Gravity Gun

• Low score: Annihilator, Chem Gun

• Minimal score: Freeze Gun

Bonuses available: Headshot, Fireball, Phantom, and Off-map bonuses apply to standard weapons.

Off-map bonuses do not apply to the Gravity Gun.

Annihilator, Chem Gun, and Freeze Gun do not receive bonuses.

Difficulty Tiers

Each tier defines how fast enemies react, how many appear, and how much score you can earn.

• Trigger Therapy – Relaxed FPS time-waster with forgiving enemies and generous ammo. Perfect for everyday meditation.

• Training Club – Balanced challenge where tactics and precision start to matter. Moderate scoring.

• Battle Ground – Maximum intensity with aggressive enemies, scarce ammo, and the highest score multipliers. Designed for mastery and rank progression.

Just play it!

No microtransactions. No paywalls. Just a solo dev making a game that's fun, fair, and deadly.
Hit Play and see how far you can go.

Technical Notes

• Runs on slower computers – tweak settings for better performance

• Gamepad friendly – raw input, aim assist, and sensitivity options

• Y-Axis Invert – works for both mouse and gamepad

• Left-handed keyboard and mouse setup supported

• Steam Deck tested