Top similar games like Walkover:

Co-operative multiplayer game and complete code base available for free.

Operation: New Earth is an intense sci-fi multiplayer strategy game in which you must command an advanced military facility to defend Earth from a hostile alien invasion. Create an alliance, gather resources, and unlock advanced technology to level up your stronghold!

They came in peace, but messed with the wrong old man. Armed with a musket, 78 year old Murray Mendelson has single-handedly started an interstellar war. Shoot first and ask questions later in this endless fast paced arcade shooter. Use everything in Murray’s arsenal to keep the aliens off of his perfectly manicured lawn!

Dynamic online battles in real time with elements of strategy and cards game. Collect and improve cards of effects, turrets and intergalactic pirates: robots, aliens, monsters, insects and other extraterrestrial creatures.

Travel to the remote planet of Bazoik to free galactic citizens from the evil cereal-eating Flemoids! Venture deep into the caverns of Bazoik, using an array of "zorching" devices to send these nefarious foes back to their home dimension!

Guiding Light is a co-op game in which you and a friend need to rescue stranded aliens from all kinds of sticky situations. One player is an alien who goes down to the planet to execute the rescue operation, while the other pilots the UFO to help guide the alien on the ground.

Hive Slayer blends classic arcade style with the power of VR to make you the galaxy's deadliest defender. Face the alien XenoHorde and halt its invasion of the stars as you Blast All Bugs.

Fight fierce hostile alien space ships to neutralize their defenses before you board their ships and battle intense on-foot encounters. Eliminate their forces and steal their technology to upgrade your squad with different abilities and save the galaxy!

From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience. 

A text-based incremental idle game with a ridiculous amount of unique content. Automate old stuff as you unlock new stuff to keep things interesting for hours and hours, no spam clicking necessary! Trimps is everything you love about your favorite games, distilled to their purest form.

👽🛸 100 Aliens Cats - 🐾 Join the cutest adventure in the Aliens themed locations full of cats! Explore the charming hand-drawn artwork of aliens places and Cats as you embark on a quest to find 100 adorable cats hidden throughout the game. 🕵️‍♂️❌ Can you find them all? 🕵️‍♂️🐈✅

Calamari Clash is a multiplayer versus game which takes you into the role of a Calamartian who crashed on an unknown planet along with its companions. Dash it out against each other to charge the spaceship’s battery and escape. Only one can escape… who will it be?

The Cycle: Frontier is a free-to-play PvPvE Extraction Shooter driven by suspense and danger. Prospect for resources and other riches on an abandoned alien world ravaged by a deadly storm, inhabited by monsters and other ambitious Prospectors.

A sci-fi themed incremental game which allows you to expand your capitalistic empire across the galaxy! Hire mercenaries to pillage alien planets for resources, with the singular goal of making as much money as possible as quickly as possible! Totally not a playful commentary on real Terran society.

Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.

"Different realities, different rules, but always fun". In the multiplayer game Cartoon Strike, each map offers a different gaming experience. Players can enjoy a few minutes of fighting in the WWII, followed by a few minutes in the present, future or even funny mode.

Stealth and tactic game that give you the control of an alien that evolves, adquire new abilities and face levels in various ways.

It is unheard of that a casual BINGO! game is a weapon of choice which drives aliens to their homeworld and defeats them forevermore. Yet, it is based on a true story.

The team of artists has just received an invitation to the Intergalactic Painting Tournament! Choose from 1000+ artworks and PAINT BY NUMBERS to bring them to life! Colorful pixel art adventures are coming!

Step into Hans, a visual novel set during World War I, and play as an alien who bakes magical pastries to help the residents of a small town.

UFO Online: Invasion is a turn-based tactical combat MMORPG set in the post-apocalyptic world

As a commander of an imperial space force you will conquer unexplored planets, create colonies and equip your fleet for attack or defense. Strategic warfare is the focus of Spaceinvasion!

A multiplayer roguelike about teamwork, survival...and cute animals in space! Play with a few friends or join a streamer's crew of dozens as you work together to battle aliens across the vast Rogue Space.

Get ready to ASSEMBLE, SMASH and DOMINATE! Face off in epic 5v5 matches where you can build up and destroy every block on any level while playing as the 22nd century’s greatest heroes. Work together and utilize insane abilities to claim victory!

Brace yourself for a brand new action-packed Open World. Explore a huge world to gather materials for gear and defenses. Use everything at your disposal to defend your bases and defeat hordes of hostile monsters. Play solo or up to 8-player online!

A love letter to classic NES games! Explore an ever-expanding, challenging maze filled with countless secrets.

Spellwake is an online 3D Action RPG where Anything Goes. It features fast-paced hack n' slash against hordes of monsters and powerful bosses. Spellwake's vast class system allows you to make nearly infinite variations of builds.

Darkzone is a multiplayer idle RPG with a deep gear and loot system, co-op battles, and an amazing community. Relax, idle, and level up, and also find deeper RPG mechanics than your average idle game. Join Ka’ Nuun's crime faction in an epic quest for vengeance!