The Tetris Forever compilation is set to celebrate the 40th anniversary of the iconic puzzle game by including a diverse selection of classic titles from the series. According to the information available, here are the games confirmed to be part of this collection:

Confirmed Games in Tetris Forever

1. Tetris (1984)
   
   
   • Originally released by Alexey Pajitnov on the Electronika 60.
     
     
2. Tetris (48K Version, 1988)
   
   
   • Released by Spectrum Holobyte on the Apple II.
     
     
3. Tetris (1988)
   
   
   • Released by Bullet-Proof Software on the Famicom.
     
     
4. Hatris (1990)
   
   
   • Released by Bullet-Proof Software on the Famicom.
     
     
5. Tetris 2 + Bombliss (1990)
   
   
   • Released by Bullet-Proof Software on the Famicom.
     
     
6. Hatris (1991)
   
   
   • Released by Bullet-Proof Software on the Game Boy.
     
     
7. Hatris (1992)
   
   
   • Released by Bullet-Proof Software on the NES.
     
     
8. Super Bombliss (1995)
   
   
   • Released by Bullet-Proof Software on the Game Boy.
     
     
9. Super Bombliss DX (1998)
   
   
   • Released by Bullet-Proof Software on the Game Boy.
     
     
10. Super Tetris 2 + Bombliss (1992)
    
    
    • Released by Bullet-Proof Software on the Super Famicom.
      
      
11. Tetris Battle Gaiden (1993)
    
    
    • Released by Bullet-Proof Software on the Super Famicom.
      
      
12. Super Tetris 2 + Bombliss Genteiban (1993)
    
    
    • Released by Bullet-Proof Software on the Super Famicom.
      
      
13. Super Tetris 3 (1994)
    
    
    • Released by Bullet-Proof Software on the Super Famicom.
      
      
14. Super Bombliss (1995)
    
    
    • Released by Bullet-Proof Software on the Super Famicom.
      
      
15. Tetris Time Warp (2024)
    
    
    • A new game mode that allows players to experience various eras of Tetris gameplay, dynamically changing visuals and mechanics in real-time.
      
      

In addition to these games, Tetris Forever will include a documentary exploring the history and impact of Tetris, offering fans a comprehensive look at one of gaming’s most enduring franchises. The collection will be available on multiple platforms, including Nintendo Switch, PlayStation, Xbox, and PC, later in 2024.