Heroes Alliance: Gain Ground!

Heroes Alliance: Gain Ground! is the Heroes Alliance Go! Video Game version of the classic Sega game Gain Ground. It is a video game.

Story
Master Malkor and Megamo use a time device to trap 17 heroes in time. Optimus Prime, Sailor Moon, and Isaac must save them and stop their evil!

Playable Characters
Note: If your character "dies", he or she is captured in that area. Reach the exit before the timer runs out.
 * 1) Optimus Prime (starting hero)
 * 2) Sailor Moon (starting hero)
 * 3) Isaac (starting hero)
 * 4) Red Power Ranger
 * 5) Greymon
 * 6) Spider-Man
 * 7) Superman
 * 8) Batman
 * 9) Green Lantern/Hal Jordan
 * 10) Firestorm
 * 11) Wonder Woman
 * 12) Mario
 * 13) Sonic
 * 14) The Flash
 * 15) Flash Gordon
 * 16) Rocket Raccoon
 * 17) Superted
 * 18) Danger Mouse
 * 19) Captain Scarlet
 * 20) Toaster

Levels

 * 1) Prehistoric Times- Red Power Ranger
 * 2) Prehistoric Times- Ultron's Battlefield
 * 3) Prehistoric Times- Greymon
 * 4) Prehistoric Times- Spider-Man
 * 5) Prehistoric Times- Ultron's Castle 1
 * 6) Prehistoric Times- Ultron's Castle 2
 * 7) Prehistoric Times- Ultron's Castle 3
 * 8) Prehistoric Times- Superman
 * 9) Prehistoric Times- Batman
 * 10) Prehistoric Times- Ultron (boss) and Dinosaur's Extinction
 * 11) Medieval Europe- Green Lantern
 * 12) Medieval Europe- General Woundwort's Tunnel
 * 13) Medieval Europe- Devil's Hell
 * 14) Medieval Europe- Firestorm
 * 15) Medieval Europe- Blimp
 * 16) Medieval Europe- Graveyard
 * 17) Medieval Europe- Wonder Woman
 * 18) Medieval Europe- Mario
 * 19) Medieval Europe- General Woundwort's Lair
 * 20) Medieval Europe- General Woundwort (boss) and death of William Shakespeare
 * 21) China Before the Revolution- Sonic and The Flash
 * 22) China Before the Revolution- Sailor Moon's Rival
 * 23) China Before the Revolution- Megamo!
 * 24) China Before the Revolution- Queen Beryl's Palace 1
 * 25) China Before the Revolution- Queen Beryl's Palace 2
 * 26) China Before the Revolution- Flash Gordon
 * 27) China Before the Revolution- Queen Beryl's Staircase
 * 28) China Before the Revolution- Queen Beryl's Hall
 * 29) China Before the Revolution- Queen Beryl's Bedroom
 * 30) China Before the Revolution- Queen Beryl (boss) and death of Mao Zedong
 * 31) 9/11- Twin Towers Hit By Plane
 * 32) 9/11- Disaster!
 * 33) 9/11- Controversity
 * 34) 9/11- Leave!
 * 35) 9/11- Rocket Raccoon
 * 36) 9/11- Megatron's Headquarters 1
 * 37) 9/11- Megatron's Headquarters 2
 * 38) 9/11- Superted
 * 39) 9/11- Danger Mouse
 * 40) 9/11- Megatron (boss) and destruction of the Twin Towers
 * 41) Future- Captain Scarlet
 * 42) Future- Toaster
 * 43) Future- Malkor's Fortress 1
 * 44) Future- Malkor's Fortress 2
 * 45) Future- Malkor's Fortress 3
 * 46) Future- Malkor's Fortress 4
 * 47) Future- Malkor's Staircase
 * 48) Future- Malkor's Labyrinth
 * 49) Future- Malkor's Fortress 5
 * 50) Future- Master Malkor and Megamo (final boss)