- Added text for good ending.
- Red flashing when enemies notified the player.
- Modified the image of hit point on the top-left of the screen.
- Made keys blink for players can notice keys more easily.
- Change BGM of some floors.
- Changed title logo from 'INFECTED MAZE' to 'INFECTION MAZE'
- A term modified
　- Vaccine -> Antiviral drug
- Modified difficulty
　- Full bullets are supplied on corridors between up floor and down floor.
　- Modify B3
　　- Smaller
　　- Twice hit-point of enemy
　- Change the strategy of normal enemy on B11 and B12

Next step of is to make Hard mode.