Balloon Fight: Balloon Fight - 4 players hack

A hack of Balloon Fight for 3 and 4 players.
Compatible with both four-score and 4-player adapter. Also adds some features.

Changes in version 1.1.:
1)Fixed some bugs in collision handling and in displaying points after the bonus.
2)In "balloon trip" mode, after a players crashes, the music turns on again.
3)The "game over" screen displays which player scored the most points
4)Added "cheat menu" with following options:
- The number of lives from 0 to 15
- On/off extra enemies
- On/off the armor of extra enemies (3 hits to pop the balloon)
- Off/on rebound from the top of the screen (to not allow players to sit out on the top of the screen)

**** Balloon Fight - 4 players hack ver.1.1 readme ****
A hack of Balloon Fight (Nintendo) for NES. This is designed for 3 or 4 players only.
Compatible with both NES Four Score and Famicom 4-player adapter.

Features:
- The graphics was remastered for sprites 8x16 (instead of 8x8 in original game) to increase number of personages on the screen.
- Every player has his own lives and points.
- Two new bots were added. They have increased speed and have to be hit 3 times to pop they balloon. The other bots are usual.
- Every 50000 pts give a life.
- taking 20 balloons on bonus stage resurrects dead players.
- The speed of balloons on bonus stage increased twice if more than one players are alive.
- "Balloon trip" mode is also remastered for 4 players.

Changes in version 1.1.:
- Fixed some bugs in collision handling and in displaying points after the bonus.
- In "balloon trip" mode, after a players crashes, the music turns on again.
- The "game over" screen displays which player scored the most points
- Added "cheat menu" with following options:
- The number of lives from 0 to 15
- On/off extra enemies
- On/off the armor of extra enemies (3 hits to pop the balloon)
- Off/on rebound from the top of the screen (to not allow players to sit out on the top of the screen)

Database match: Balloon Fight (Japan)
Database: No-Intro: Nintendo Entertainment System (v. 20180803-121122)
File SHA-1: BE2C30D69B1EBA76EAF1CC259DFA41F0F29B0FB2
File CRC32: A0DABE0A
ROM SHA-1: 0F85A4D325B97D7977177B9C7808F0558239766E
ROM CRC32: 2B462010