PITTSBURGH, PA – March 31, 2026 – Prepare to push your pulpy gray matter to the limit. Creative-first publisher Mega Cat Studios and solo indie dev RetroSouls are excited to announce that AlterEgo: DreamWalker, Tourmaline, and Gravibots are now available for the Sega Genesis and Mega Drive. Each of these titles is available as a loose cartridge for $49.99 or complete with box and manual for $59.99.
A retro gaming hat trick, these three brain-busting 16-bit puzzlers are available to purchase starting today on the Mega Cat Studios online store.
To celebrate today’s launch, Mega Cat Studios has released a trio of new gameplay trailers, showcasing what each of these exciting new titles offers.
“Thank you for supporting us and helping keep the 16-bit dream alive,” said Denis Grachev, indie game dev and founder of RetroSouls.
Watch the Gravibots launch trailer here
Watch the Tourmaline launch trailer here
Watch the AlterEgo: DreamWalker launch trailer here
More details on each of these titles can be found below:
Gravibots: Get ready to totally flip out! Gravibots is a fast-paced puzzle platformer where you need to flip gravity to clear the screen of evil robots. Use your power over gravity to change your own polarity and cling to the ceilings and move blocks that will flip your foes on their heads!
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30 levels of gravity-defying puzzles
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Casual gameplay where you rely on your brains instead of your muscles
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Each foe adds a new layer to the puzzle
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Continue your progress with an old-school password system
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Enjoy the stunning animated environments and charming character designs
Tourmaline: Grab your shovel and your explosives for a subterranean puzzle blast! Deep under the earth, precious gems await those with the brains, reflexes, and courage to grab them. You’ll have to think fast and plan your strategy to avoid cave-ins, tunnel collapses, and rival delvers, all on your quest to be the Gem Lord Champion.
Can you dig it?
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Dodge falling rocks, lava, and enemies in 30 brain-busting underground levels
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Use gravity-based physics and your twitch digging skills to crush your enemies
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Blow up a fully destructible environment
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Dig smart to create an avalanche of gems
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Features a rad chiptune-infused soundtrack that will keep your head bopping
AlterEgo: DreamWalker: Get in touch with your phantom side in this warp-tastic action puzzle game! Become Zool and escape an interdimensional prison by swapping positions with your phantom twin. Solve all of the fiendish puzzles to make it back home!
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25 Gleefully Challenging Levels
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Alternate Dimensional Teleportation
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Addictive Puzzle Gameplay
About Mega Cat Studios
Mega Cat Studios breathes new life into old video game consoles with artisanal, exclusive projects you won’t find anywhere else. From the original Nintendo to virtual reality ports, we’re bringing our fans the games they want.
About RetroSouls
RetroSouls is a small team based in Novosibirsk, Russia. They create retro-styled games and games for retro platforms. Right now RetroSouls Team is actually one person – Denis Grachev.



