An absolute peak of the run-and-gun genre by Treasure, with eight switchable weapons and gloriously over-the-top bosses. Brutal yet exhilarating, a true cult game.
Your verdict
Category
Action1 player12+
Description
Alien hunter Epsilon Eagle traverses levels blasting enemy waves in this demanding Treasure run-and-gun. Published by Sega, released in Japan in January 1995. Run-and-gun action with an arsenal of eight selectable weapons, enemies and bosses of legendary difficulty, a Treasure cult game.
Alien Soldier review
4/5
Art direction
★★★★★
"Striking"
4/5
Music
★★★★★
"Excellent"
1/5
Story
★★★★★
"Anecdotal"
Gameplay
"Masterful"
Almost an unbroken boss rush, the adventure links colossal clashes where you juggle six weapons and two firing modes without ever catching a breath. The pace is insane yet the read stays clear, rewarding reflexes and memorisation. This surgical intensity, signed Treasure, keeps a snap that few run-and-guns have matched since.
Fun
"From the very first minutes"
Addictiveness
"Engaging"
Difficulty
"Punishing"
Conceived as a frantic boss rush by the wizards at Treasure, it strings fights together at a dizzying pace with no downtime. Mastering the teleport-dash, juggling weapons and reading every pattern becomes second nature or leads straight to game over. Spectacular and merciless, it rewards pure virtuosity and keeps a cult status among fans of high-octane action.
Alien Soldier is the Japanese edition of Treasure's masterpiece via Sega Japan in a limited local print. Very high collector value: the game was never released on US Genesis and is one of the most sought-after Treasure shoot-actions worldwide.
Memorable bosses
Built almost entirely as a string of boss fights, this Treasure title chains twenty-five guardians with no downtime, in a deluge of projectiles and patterns to memorize. Mechanical phoenixes, organic creatures and mutating forms parade by at a breakneck pace that demands nerves of steel. A pure showcase of design and intensity, it remains a benchmark for anyone after boss combat in its rawest form.
An underrated gem
A cult favorite among Treasure fans, this run-and-gun nonetheless remains unknown to the wider public, lacking a US release at the time and saddled with a difficulty that quickly discourages. Made almost entirely of back-to-back boss fights, it runs on speed and pattern reading. A showcase of intensity for seasoned players hungry for a challenge.
Is Alien Soldier still worth playing in 2026?
A run and gun by Treasure, Alien Soldier offers a succession of particularly intense boss fights with an interchangeable weapon system. The technical fluidity, the visual density and the unforgiving difficulty make this title a Treasure showcase on Mega Drive. Short but of mad intensity, the game chains twenty five bosses with no downtime. For anyone fond of demanding Japanese boss rushes and the Treasure touch, an absolutely essential recommendation today still on the Sega machine without any hesitation truly here indeed for any fan.
