Chronos Twin interview at WiiDS.co.uk.

"Cheng: How would Chronos Twins differentiate itself from other side-scrolling action games such as old school Metroid?

Moruno: Chronos Twins offer a new system in which we control the main character in two different temporal lines (past and present), Nec has the power of duplicate himself in time thanks to the Dual Time Machine. Also, the player will have to solve logic puzzles using the temporal changes and face original enemies."

Full Source: WiiDS.co.uk