Super Mario Bros. is a platforming game for the Nintendo Entertainment System released in 1985. When Bowser invades the Mushroom Kingdom, it's up to Mario to stop him and save the Princess.

C4 is a kaizo hack released in 2004 by a Japanese author who went by Himajin. In the last 20 years, the hack became almost impossible to find. But, with the hack's 20th anniversary, that all changes! This new remastered version of that hack brings a fresh glaze of polish to the old beauty and brings it out into the light of day once again.

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IMPORTANT NOTICE: This is a kaizo hack. While it does not troll the player, it requires not only great skill but great knowledge of SMB1 mechanics. Player discretion is advised.

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Original features of C4 (2004):
- 6 new kaizo levels
- SMB2J style graphics
- Two endings

New features in C4 Remastered (2024):
- New original title screen
- Starting number of lives increased to 20
- Implemented cheat code: use A + START to start with infinite lives
- Redundant world display replaced with a simpler level display
- Graphics work

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Thank you for playing!

Database match: Super Mario Bros. (World)
Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
File SHA-1: EA343F4E445A9050D4B4FBAC2C77D0693B1D0922
File CRC32: 3337EC46
ROM SHA-1: FACEE9C577A5262DBE33AC4930BB0B58C8C037F7
ROM CRC32: D445F698