Popular games published by company Sigma Enterprises

Move your missile base back and forth and shoot at a growing spider web and attacking spiders. Every few rounds a woman's face will appear and she will wink at you.

You control a tanuki, or raccoon dog, who climbs up ladders, walks across floors and jumps over gaps while avoiding red and yellow snakes. The cat must collect all the fruits and vegetables in order to advance to the next level. There are also baskets that contain either snakes, fruits, vegetables or other bonus items.

The Dimensional Stone, which is required to maintain balance in the world of starship pilot Mark was stolen. The king finds a hero to retrieve the stone; using the "Fuzzical Fighter" to transport the player's character into enemy territory. Towns are visited in-between stages to provide the player with weapons and artificats that are bought with the in-game gold currency. Players can choose to backtrack to either to previous stage while staying at the inn or to a stage that he has not yet explored. They also have access to three different kinds of healing spells: Riken (minor healing), Rikento (normal healing) and Rikentaru (major healing). Despite being a mechanical object and not a creature, the Fuzzical Fighter has magic points that can be replenished while in the towns. The Fuzzy Fighter itself resembles a spaceship with a mechanical tail at the end.

Battle Cruiser M-12 is a vertical shooter produced by Sigma Ent. Inc. in 1982.

Maka Maka (摩訶摩訶) is a Japan-exclusive role-playing video game which was released in 1992. The characters were designed by Koji Aihara.

An RPG/Fighter hybrid developed and published by Sigma for the Famicom. It was never released outside of Japan. Hissatsu Dojo Yaburi is an RPG where players fight opponents in Yie Ar Kung-Fu style martial arts battles. The player needs to train for tournaments by encountering and defeating various foes, gaining XP all the while. When strong enough, they can fight a group of enemies one after the other in the tournaments that take place in towns. The player can also walk around towns interacting with friendly NPCs. This was Sigma Ent Inc.'s first Famicom game: Previously, they had only worked on Arcade games.

An arcade shooter based off Red Riding Hood.