This is really stylish, and a very cool puzzle conceit! I didn't get very far, but I'd definitely be interested in playing through a version of this with more Valve style tutorialisation!
Eight Seconds: Manipulated Through Time
A downloadable game for Windows
Made for the final Idle Thumbs Wizard Jam
Your past actions are reflected and echoed, and in order to navigate the world you're in you have to learn to use them to your advantage.
Left Mouse to grab/throw, right mouse to drop. R to restart if you get stuck.
Hint: The easiest echo to interact with is one that isn't doing anything. If you're having trouble controlling things, wait a while for your past to catch up with you.
Known issues (1.02):
Music gets desynced by slow frames or pausing. This will not get fixed, since doing so would require me to rewrite the whole music system.