Flashback Classic
Sega Genesis / Mega Drive · Action
Undeadline
Deep cut
| System | Sega Genesis / Mega Drive |
|---|---|
| Released | 1991 |
| Genre | Action |
| Developer | T&E Soft |
| Publisher | PALSOFT |
| Players | 1 player |
| Commitment | An evening or two (Roughly 1–6 hours to see it through) |
| Legacy | Deep cut · legacy score 5 |
Developed by T&E Soft and published by PALSOFT, Undeadline arrived on the Sega Genesis / Mega Drive in 1991 as an action game.
It landed about 2 years into the Genesis's life. Other notable Genesis releases from 1991 include Sonic the Hedgehog, Streets of Rage and Shining in the Darkness.
T&E Soft also made Pebble Beach Golf Links for the Genesis.
This is a solo experience: one player, no waiting on anyone else.
Pick it if…
- you want to fight, blast and test your reflexes
- you have time for an evening or two (roughly 1–6 hours to see it through)
- you've played the Genesis hits and want something less obvious
Maybe skip it if…
- you prefer slow, thoughtful games over reflex tests
- you are looking for something to play with friends
What playing Undeadline is like
Action games test reflexes and nerve. Expect fast enemies, tight controls and stages you clear by reacting quickly and learning enemy patterns.
Tip for newcomers: Retro action games are often short but tough. Treat early deaths as practice runs; every attempt teaches you where the next threat comes from.
Undeadline cheats & codes
11 codes on file (Other codes). Here are a few Other codes codes to start with:
| Infinite Lives | D6FT-AADY |
|---|---|
| Infinite Energy | D6FA-AAHY |
| Infinite Special | D6HT-AAEN |
| Invincibility | AADA-AN7G |
| Infinite Health | AJFT-AA78 |
| Infinite Lives | AJFT-AA5W |
Undeadline walkthroughs & guides
Stuck, or want to go deeper? These trusted sites have full walkthroughs, completion times and more for Undeadline.
If you like Undeadline, the Matrix also picks…
Sonic the Hedgehog Spinball Classic
Gunstar Heroes Classic Co-op
The Chaos Engine Classic
Ecco: The Tides of Time Classic
Mega Man: The Wily Wars Classic
Pitfall: The Mayan Adventure Classic
Playing Genesis games today
Genesis games are fast and immediate, and many are made for two players. Official collections and Nintendo Switch Online carry a big slice of the library, and Rec0m88 can run your own Genesis backups with online netplay.
Undeadline FAQ
When did Undeadline come out on the Genesis?
Undeadline was released for the Sega Genesis / Mega Drive in 1991.
Who made Undeadline?
It was developed by T&E Soft and published by PALSOFT.
Is Undeadline multiplayer?
No. Undeadline is a single-player game.
How long does Undeadline take to play?
As an action game, Undeadline typically falls into the "An evening or two" category: roughly 1–6 hours to see it through. Your time will vary with skill and how much you explore.
Read more about Undeadline on Wikipedia. Facts on this page are compiled from the open libretro database and Wikidata; "legacy score" reflects how widely a game is documented across Wikipedia's language editions. Spotted an error? Let us know.