Upgrades

Royal Offense 2 is a RTS where you'll train your heroes and upgrade troops and spells to defeat your enemies as you expand the kingdom’s reach. Will you be able to defeat your opponents?

Blue vs Red! is a retro-styled platformer where the player needs to help the Blue character to pass all the obstacles, collect coins and defeat the Reds in 15 exciting pixel art levels.

Battalion Commander 1917 is a cool shooter set in World War I, where a regular yet brave soldier must cross over into enemy territory to find and destroy an enormous machine and save 1,600 of his fellow comrades.

Dahna: Megami Tanjō is a platform and beat 'em up game with RPG elements where a blonde young woman uses her sword and magic to scroll through fantasy-themed levels. It was released in 91 to Genesis. Play it online!

City Siege 4 - Alien Siege is a free online game that combines platform, shooting and strategy and is set on another planet, where you'll arm yourself with advanced units and laser guns and take on evil alien-plants.

City Siege Factions Island is a mix of platform, shooting and strategy where you'll build your army with tanks, guns, spies, flame tanks and helicopters and bring peace to and island by destroying all your enemies.

City Siege 2: Resort Siege mixes platform, shooting and strategy in a sequel to City Siege that keeps its core gameplay while adding more levels, more units, more destruction! 

Galaxzynos is a casual space shooter game where you'll make your way through the galaxy fighting with different types of enemy spaceships. I'd say it's inspired on old school shoot 'em ups.

Stickman Hero Fight - Super Action Heroes is a free-to-play fighting game where you'll choose your style and use unique skills to face villains in a fantasy universe. Destroy them all. The Stickman has no mercy!

Grand Extreme Racing is a cool 3D racing game where you'll guide fast formula cars in a very long championship, practices or challenge races in single or two player modes. Let's go!

Zillion 2: Tri Formation (1988) is a Master System run and gun 2D platformer based on the sci-fi anime series where JJ has to stop the Norsa from invading and rescue his teammates from a gigantic alien battle fortress.

Crafty Miner is a casual game where you'll go down into the darkness of a forgotten mine and dig up the most expensive minerals in an unforgettable adventure in the underworld.

The Great Zombie Warzone is a strategy game in the veins of the popular Plants vs. Zombies. Lead your human army to victory, upgrade and eliminate every undead in the battlefield!

Die in the Dungeon is a deck-building, turn-based roguelite where you don't use cards, but dice, as you to find the best combination to conquer the 2X-floor dungeon.

Assault City is a rail shooter that was probably inspired in the anime Zillion and was released to Master System in 1990. Here, the objective is to destroy the control system which forces the robots to kill humans.