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Guide to Time Travel Mechanics

In the present, you can move any objects, and their position will remain unchanged unless you alter their position in the past. If you change an object's position in the past, upon returning to the present, its position will match where you left it in the past. Conversely, if you move an object in the present to a desired location, then travel to the past and leave that object untouched, it will remain where you placed it in the present.

When you teleport to the past, you travel back by N units of time. Upon returning to the present, you move forward by the same N units of time (I’ll attach a diagram to illustrate this). For example, if an object in the past is in motion (e.g., you toss it into the air) just before you teleport back to the present, it will approximately be where it should land as if you hadn’t teleported at all. Similarly, if you teleport to the past, the object will end up in the position it would naturally reach after the same duration that you spent in the past.

In essence, this functions similarly to the mechanics in Portal Reloaded.

Diagram: