Chips Challenge 2 Wiki
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Movement logic is performed on every 3rd tick of the game's 60Hz clock, or 20 times per second. The game clock starts on tick 1, so monsters and players have their first chance to move on tick 3.

Players and monsters move at two distinct speeds, normal and fast.

Normal speed is defined as 5 tiles per second, and is the speed for the player and most monsters when walking across normal floor. This equates to 12 ticks per move.

Fast speed is defined as 10 tiles per second, and is the speed for the player when wearing the Speed boots and for any object traveling on ice or force floors. This equates to 6 ticks per move.

Because it takes 12 ticks to complete a normal move, but the movement logic is processed every 3rd tick, it is possible to have players, blocks and monsters (at normal speed) moving in four distinct `steps':

In 3-step, the object begins movement on tick 3+12n. When starting a level, monsters will always start movement in 3-step unless restricted.

In 6-step, the object begins movement on tick 6+12n.

In 9-step, the object begins movement on tick 9+12n.

In 12-step, the object begins movement on tick 12+12n.

An object that travels over a single ice or force floor tile will have its movement step offset by 6, so that 3-step becomes 9-step and vice versa, and 6-step becomes 12-step and vice versa.

It is possible both to force monsters into desired movement steps, and also to differentiate between them using logic circuits and purple toggle walls.

Screen Shot 2015-05-11 at 11.51

Image: A series of pink balls moving in different movement steps.

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