Target Earth
Target Earth stands as a defining action title on the Sega Genesis. With polished gameplay mechanics and memorable level design, this classic delivers an experience that has stood the test of time.
- Developer
- NCS Corporation
- Released
- 1990
- Platform
- Mega Drive
- Genre
- Action
- Players
- 1P
- Rating
- 4.5 / 5 (790)
- Last updated
Target Earth Controls — Mega Drive Keyboard Keys
Default keyboard bindings for Target Earth on our in-browser Mega Drive emulator. Plug in a USB or Bluetooth gamepad to auto-detect mappings, or rebind any key from the emulator settings menu.
| Keyboard | Console button | Typical use |
|---|---|---|
| ↑ | D-Pad Up | Move up |
| ↓ | D-Pad Down | Move down |
| ← | D-Pad Left | Move left |
| → | D-Pad Right | Move right |
| X | A | Primary action (jump / confirm) |
| Z | B | Secondary action (attack / cancel) |
| S | C | Tertiary action |
| A | X | Quaternary action |
| Q | Y | Fifth button |
| W | Z | Sixth button |
| Enter | Start | Start / Pause |
These bindings cover the 6-button Mega Drive controller. Most older titles only use buttons A/B/C; the extra X/Y/Z buttons matter for Street Fighter II and other 6-button fighters.
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Target Earth Longplay & Gameplay Videos
Watch a full playthrough of Target Earth on Mega Drive before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Target Earth" Mega Drive longplay 1990
Target Earth Cheat Codes
30 community-curated cheats for Target Earth. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
-
Infinite LG-Gun
FFD09B:99FFD09A:0099AMTA-AA72 -
Infinite 25-SC
FFD09D:99FFD09C:0099RHTT-A60A -
Infinite D-D
FFD09F:99FFD09E:0099RHXA-A6ZN -
Always Have LG-Gun
FFD057:01FFD056:0001 -
MASTER CODE-MUST BE ENTERED
ALAT-AA4J -
Infinite continues
AMZT-AA4L -
0 continues instead of 2
ADZT-AAGA -
4 continues
AXZT-AAGA -
9 continues
BHZT-AAGA -
Rex is impervious to most enemy fire
AKGT-AA8R -
Rex is invisible to most enemy fire
2VGT-AA8J -
Rex cannot burn up re-entering atmosphere
AL8A-AA8T+AL8A-AA9R
Show 18 more cheats Show fewer
-
Rex cannot be electrocuted
AKXA-AA4A -
Chron cyborg cannot harm Rex
AJ7T-AA20 -
Rance's death ray cannot harm Rex
AL4T-AA92+AK0A-AA78+AL5T-AA60 -
HG gun carries 10 rounds instead of 20
CB8A-AACW -
HG gun carries 99 rounds
XF8A-AACW -
HG gun carries infinite ammo
THTT-AEWN -
25-SC weapon carries 30 rounds instead of 60
GB8A-AACY -
25-SC weapon carries 99 rounds
XF8A-AACY -
25-SC weapon carries infinite ammo
THTT-AEZ2 -
40-SC weapon carries 25 rounds
EZ8A-AAC0 -
40-SC weapon carries 99 rounds
XF8A-AAC0 -
40-SC weapon carries infinite ammo
THVA-AEXE -
GL weapon carries 25 grenades instead of 50
EZ8A-AAC2 -
GL weapon carries 99 grenades
XF8A-AAC2 -
GL weapon carries infinite grenades
THVT-AEVC -
MGL weapon carries 20 grenades instead of 45
EB8A-AAC4 -
MGL weapon carries 99 grenades
XF8A-AAC4 -
MGL weapon carries infinite grenades
THVT-AEZC
External references
Frequently Asked Questions
When was Target Earth released?
Target Earth was released in 1990 for the Mega Drive.
Who developed Target Earth?
Target Earth was developed by NCS Corporation, available to play in your browser on RetroGameSpace.
How many players does Target Earth support?
Target Earth is a single-player Action game for the Mega Drive.
What type of game is Target Earth?
Target Earth is a Action game for the Mega Drive, playable instantly in your browser — no downloads, no installs.
How can I play Target Earth for free?
Open this page and click "Play Now" — Target Earth runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Target Earth in the browser?
No. Target Earth streams from a public archive into a browser-side Mega Drive emulator. Nothing is installed on your computer.
Can I save my progress in Target Earth?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original Mega Drive cartridge supported.
Does Target Earth work on mobile devices?
Yes — the Mega Drive emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Target Earth this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Target Earth. Game files are fetched on demand from publicly-accessible archives. You are responsible for compliance with your local laws and the bring-your-own-ROM principle.
