So do we know if this is just a burn of the prototype rom floating around, or did they actually do any work on it?
PIKO said they changed a bit but no explanation about it other than what's mentioned.
It could be just the title screen and a new backstory.
Here's other PIKO's official acquired IP licenses (some of them have been released though) :
Brutal Sports Footbal (Beastball)
Super Noah's Ark 3d
Dorke and Ymp
The Gadget Twins
Impossamole
Viking Child
The Humans
The Humans the Jurassic Levels
The Humas Evolution Lost in Time
The Humans Meet The Ancestors
Bubble+/Bubble Ghost
Alex's Magic Hammer
Head Over Heals
Tinhead
Mrbloppy saves the world
40 winks
Legends
Tyrannosaurus Tex
Radical Rex
Pushover
Indigo
Globulus
Noah's Ark
Odema
Minskies Furballs
Squirrel King
Starshot Space Circus Fever
Video Kid
Glover
Blender Bros
Timet - The Flying Squirrel
Stanley: The Search for Dr. Livingston
Treasure Master
Brutal Sports: Wild Cup Soccer
Mad Professor Mariarti
Panda, Go!
African Adventures
African Adventures 2
Sonic Dragon
Mutant Penguins
Super Hutchback
Boo!
Meat Puppet
Tough Guy
Soccer Kid
Risky Woods
Iron Commando
Legend
Legend (Reboot)
8 Eyes
Shadow Madness
Battle brave saga
Switchblade
Jim power
Nightshade
Alien Rampage
Switchblade II
Harlequin /PJ Gumball Hero
Gourmet Sentai Bara Yarou
The Way of the Exploding Fist
Fire Team Rogue
Cybernauts/Juggernauts/DNAction
Metal Masters
The Mutant Virus
Zero Tolerance
Power Piggs
Beyond Zero Tolerance
Sküljagger: Revolt of the Westicans
Metal Mech
Power Punch II
Cyber Rage
Kung Food
Dirty Larry Renegade Copn
O.D.T. Escape or Die Trying
First Samurai
Second Samurai
Street Racer
Dark Rift
Criticom
Stone Protectors
Crouching Pony Hidden Dragon
Perfect Weapon
ONE
Mutant Rampage Bodyslam
Deflektor
Invasion from Beyond
Dash Galaxy in the Alien Asylum
Target renegade
Renegade III
The Plague
Skidz
Water Margin - The Tale of Clouds and Wind
Hostages
Motor City Patrol
Fist II - The Legend Continues
Pyramids of Ra/Scarabeus
Generals of the Yang Family
Bad Street Brawler
Thunderbolt II
Thunderbolt
Law of the West
Warpspeed
Mountain Bike Rally
Top Racer SNES Collection
Speris Legacy
The Immortal
Moto X
Eliminator Boat Duel
Dragon Sword
Full Throttle - All American Racing
Little Lancelot
CyberBlast
Final Orbit
World Trophy Soccer
"Shuihuzhuan: Liangshan Yingxiong
Heroes of the Marsh"
Xi You Ji/ Journey to the West
Crazy Bowling
Volleyball Hominid
Little Geniuses, Go!
Xiang Yu: The Overlord of Western Chu
Battle of the Red Cliffs
Mermaids of Atlantis: The Riddle of the Magic Bubble
Sheng Huo Lie Zhuan
Devilish Mahjong Tower
Taiwan Tycoon
World Pro Baseball
A Q Renkan Awa
Starhawk
Winter Challenge
Summer Challenge
Barkley Shut up and Jam
Barkley Shut up and Jam 2
Racing Fever
X-Bladez Inline Skating
Power Football
Motor Mash
Broken Circle
Drakkhen
Dragonview
Sword of sodan
Canon - Legends of the New Gods
Ya-Se Chuan Shuo
Conquering the World III
Shui hu zhuan
Legend of Wukong
Beggar Prince
Super Bubble Pop
Zany Golf
Rageball
Football Madness
Star X
Punch King
The Fidgetts
Radikal Bikers
Smashing Drive
Big Karnak
Squash
Thunderhoop
World Rally
Glass
Alligator Hunt
TH Strikes Back
Touch And Go
World Rally 2
Maniac Square (all versions)
Snowboard Championship
Bang! (AKA Gun Gabacho)
Galaxy Gunners
Fantasy Land
Mug Smashers
Diver Boy
Ping Pong Master 93
Steel Force
Mighty Warriors
Twin Brats
Twins
Dragon Master
Masters Fighter
Fancy World
Magic Purple
Burglar X
The Legend of Silkroad
Age of Heroes: Silkroad 2
Evolution Soccer
Rage of the Dragons
Hard Times
Power Balls
Lucky Boom
World Beach Volley
Cheese Chase
Ultimate Tennis
Stone Ball
Western Shooting
BioMechanical Toy