Unlimited Strength Capsules
At the black omen, you will come across a Blubber Hulk. Approach it and have Ayla use Charm. This will give you the strength capsule. Run away and go back through the door you came through. Repeat as many times as you want.
Go to Guardia Forest in 600 AD. Once inside, take the first right and go to the upper path. While in the small clearing, you'll see a bush in the upper left. Go to the bush and it will begin to shake. Press the A button and a monster will pop out, leaving a Shelter as he runs away. Grab the Shelter, and leave the forest then re-enter. Repeat as many times as you want.
If you defeat Lavos and obtain any of the 12 original endings you will unlock New Game+. You will retain everything from you previous game in New Game+
The Dimensional Vortex Dungeon
The Dimensional Vortex can only be unlocked by defeating Lavos and completing the game.
The Lost Sanctum Dungeon
To unlock the Lost Sanctum Dungeon you must first unlock the Black Omen in 12,000 B.C. The Lost Sanctum will appear in 65 Million BC, and 600 AD in certain locations.
Infinite Strength Capsules
When you are on black omen you will find a Blubber Hulk. Go up to it and use Ayla's Charm which will give you the strength capsule. Then run away, back through the door you came through and repeat.
Unlock All Endings
||How to Unlock
|Ending #1 "Beyond Time"
||Defeat Lavos after reviving Crono at Death Peak.
|Ending #10 "Dino age"
||Defeat Lavos after facing Magus, but before facing Azala.
|Ending #11 "What The Prophet Seeks"
||Defeat Lavos after facing Azala, but before Schala opens the sealed door.
|Ending #12 "Memory lane"
||Defeat Lavos after Schala opens the sealed door, but before restoring the light to the pendant.
|Ending #13 "Dream's Epilogue"
||Defeat the Dream Devourer beyond Time's Eclipse
|Ending #2 "Reunion"
||Defeat Lavos while Crono is dead.
|Ending #3 "The Dream Project"
||Defeat Lavos in the Oceab Palace or immediately upon starting a new game +.
|Ending #4 "The successor of Guardia"
||Defeat Lavos after saving Leene and Marle, but before visiting the End of Time.
|Ending #5 "Good Night"
||Defeat Lavos after visiting the End of Time, but before returning to the Middle ages.
|Ending #6 "The Legendary Hero"
||Defeat Lavos after arriving in the middle ages, but before obtaining the Hero's Badge.
|Ending #7 "The Unknown Past"
||Defeat Lavos after obtaining the Hero's Badge, but before the Gate key is stolen.
|Ending #8 "People of the times"
||Defeat Lavos after regaining the gate key, but before giving the Masamune to Frog.
|Ending #9 "The Oath"
||Defeat Lavos after giving the Masamune to Frog but before fighting Magus