Top similar games like Astro Ike:

Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. *DirectX feature level 10 required. *

Pilot through relentless waves of hostile forces in this fast-paced space-themed, bullet hell, survival shooter. Build your own UFO in the Ship Creator, Survive through a 100-wave campaign, or test your limits in Endless Mode. How long can you survive?

Experience the explosive science fiction arcade-shooter that resurrects a much revered franchise in an epic single player and co-op multiplayer campaign.

Survive increasingly difficult rounds in a floating arena. Use weapons and powerful abilities to knock enemies into the void before they launch you off the edge, build your loadout during each run, and beat your highest score.

Top-down 3D action shooter. Fight against swarms of rogue AI machines and survive as long as you can!

Fight hordes of aliens and visit desolate moons in this arcade-inspired third-person shooter.

Max Raider is a top-down 3D action shooter where you fight waves of enemies on procedurally generated arenas. Rest and prepare for the next series of waves by buying a variety of weapons and items from your allies. Protect the Bunker, your only hope for a home.

You're in a dark universe filled with enemies, and your goal is to eliminate them all in intense, colorful combat. On the terrain, helpers in the form of parcels will be there to assist you in your victory.

It's time for a change in perspective! Explore an adventure full of tricky action and puzzles in this third-person and top-down shooter hybrid!

Star Jet Alpha is a top-down space shooter inspired by classic arcade games. Progress through each stage by blowing up enemy space stations while avoiding or destroying enemy missiles, space mines and asteroids. Unlock Star Jet capabilities by completing stages.

Battle dangerous robots that have been taken over by a malicious alien program. Customize your character, then fight your way to the Bridge, using power-ups and specialized weapons, to reboot the Central Computer before the berserk robots make it to the human passengers aboard the spaceship.

Enter the cockpit of your spaceship and prevent the destruction of our homeland! You and your friends have to dodge various attacks and fight many enemies. But your Twitch chat can support you in your defense and your subscribers can even accompany you as wingmen!

Reload your weapon, the show's about to start! Blast Them All is a wave-based twin stick shooter where you face endless hordes of hungry zombies. Use your agility, pick up weapons and activate traps to defend yourself, build up your strength, collect points and reach the top of the leaderboard!

A futuristic action rail-shooter! Action packed, and full of quirky character dialogues, unique level designs, fully animated story cutscenes, and challenging boss battles!

Halo: Spartan Strike makes you a Spartan supersoldier battling evil forces. Delve into 30 challenging missions through cities and jungles using a devastating arsenal of weapons, abilities and vehicles including the iconic Warthog against the Covenant and Promethean enemies. *DirectX feature level 10 required*

A top down shooter game fighting against large swarms of insects alone, or recruit friends to fight along side you! Buy and craft new equipment to help you rid the world of the swarm!

Neon Fighter is a tiny arcade game packed with lasers and explosions, in which every few seconds you are forced to switch weapons automatically, making you have to adapt quickly to the new situation and re-evaluate your perspective.

Warscape Alpha. 60 levels of single and multiplayer Hovertank action!!

Infiltrate a classified research facility and unleash the Razorform, a time-warping entity from a dimension of nightmares and chaos. Spray gunfire, uncover military secrets, and slice through enemies with electrified blades. The Razorform is a single player atmospheric sci-fi action game.

Become humanity's last hope. Gear up, upgrade, and unleash hell in a relentless third-person sci-fi shooter against a ruthless robotic army. The future is yours to forge in fire and steel.

In Deadline: Aphelion, you play as a mercenary tasked with defending the research facility from the hordes of alien spiders that have been drawn to it. 

A physics based twin-stick shooter. Survive as long as possible and get a high score. Use your gravity beam or your gravity mine to destroy endless waves of enemies.

You need to beat all enemies at all of game maps. You can raise money, buy upgrades and abilities for yourself. How fast do you walk so fast time.

Your own reactor is the thing trying to kill you. Every kill feeds the heat, and the coolant those kills drop is the only thing that vents it — lying exactly where the danger just was. A twin-stick score chase where diving into the crowd is the only way to survive it. Five modes, co-op up to four.

Heart: Future Whispers is a top-down shooter where you'll face countless hordes of enemies with different abilities! Survive by using your resources to acquire powerful weapons and uncover the reason behind all the chaos in this dystopian future.

This lightning fast arena shooter brings you right back to the highscore hunts of the arcade era. Use your arsenal of deadly weapons wisely against the increasingly ferocious monster hordes to survive as long as you can.