Battletoads/Double Dragon: The Ultimate Team is an action beat 'em up game for the Nintendo Entertainment System.

Mod/hack adds fourth (and third) player to Battletoads & Double Dragon (NES, U-version) to make possible to play the game with four people at the same time.

Also:
New moves, character levels system, enemy multiplier, new mechanics, lives share mode.

To play as it intended, use moded emulator (with extended capacity or "blast processing") with 256_spr rom.
https://www.patreon.com/posts/moded-emulator-34560541
https://www.emu-land.net/forum/index.php/topic,77237.0.html

* Project topic
* YouTube Channel

Database match: Battletoads-Double Dragon (USA)
Database: No-Intro: Nintendo Entertainment System (v. 20180803-121122)
File SHA-1: 61832D0F955CFF169FF059BD557BE4F522B15B7C
File CRC32: 53B02F3D
ROM SHA-1: A14563325B0F33C358142E7363D31614722FDDB1
ROM CRC32: CEB65B06

8e93f43964250b43be8d16b02032858389a62246 *Battletoads & Double Dragon_4_players_-_BTDD4p_2.1-4stages.nes

5a93bf44dce1af469aa0a93e52d025c36ebadb68 *Battletoads & Double Dragon_4_players_-_BTDD4p_2.1-4stages_256_spr.nes