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Tetris Zero

Hack of Tetris

Description:

This is a 2 player hack for the NES version of Tetris. In order to accomplish this, the ROM was converted from MMC1 to MMC3. The PRG was expanded to have 2 additional PRG banks.

Also, a custom bankswap routine was added since no bankswap was present in the original ROM. The following features were added:

  • Enabled 2 player mode.
  • Created custom controls for 2nd player on non & in-game screens.
  • Created custom designs for A/B-Type 2 player mode.
  • Created asm to allow 2nd player to have stats shown on in-game screen.
  • Player 2 has the ability to write their name into the scoreboard.
  • Added a new gameplay feature to the B-Type Mode. In B-Type mode, in order to win 25 lines must be cleared. There is now the ability to choose how many lines to clear. There is a choice from 01-80 lines to clear.
  • Player 2 now has the ability to obtain their own game piece, no longer sharing/stealing from player 1.
  • Player 2 now has a proper NEXT piece box, along with working select button to enable/disable display.
  • Player 2 now has the ability to select an additional +10 levels from what they choose from A/B-Type (player 1 can hold the A button down when they have level 0-9 highlighted, and when they press start with A button held, the player will start +10 levels from what was selected. Player 2 can also do the same thing. However, this can only be done while player 2 holds down the B button. When player 1 presses start, player 2 needs to have the B button held down in order to get the +10 level).

The archive also includes a .sav file for those who own a powerpak for the NES.

ROM / ISO Information:

  • Tetris.nes
  • CRC32: 110A9ADD
  • MD5: 5C4AB6B03431F7298B19BCAB58E858F0
  • SHA-1: 865849AA2064AB38A5959116E697EBBFDA9F4795
  • SHA-256: A470D8CF85E7C9A32073EF56EE80963BE3D339BA7E36DBDF1EE30FDF09B09211

Links:

Screenshots:


Credits:

Credits
ContributorType of contributionListed credit
infidelityHackingasm modification

User Review Information

Nice Hack

Reviewed By: MathUser2929 on 29 Nov 2012

This is a nice Tetris hack. It does what it sets out to do, make Tetris NES (Nintendo) multiplayer compatible. It seems that all that is needed for a proper 2 player experience is there such as separate Next piece boxes. It makes the Nintendo NES port more the game it should have been. Why Nintendo left out a 2 player mode in the NES port I’ll never know. Reccomended.

Recommended - Yes

User Reviews
HeadlineAuthorDateVersionRecommended
Awesome, but...AgentCPU009 Feb 2019Final V2Yes
Huge improvement over retail version, but still missing garbage block attacksI am Christina Aguilera02 Oct 2016Final V2Yes
Nice HackMathUser292929 Nov 2012N/AYes