Nikujin

Controls
"The arrow keys are your directional movements, Shift is jump and Ctrl is your sword attack."

To kill enemies silently, fall on to them and simultaneously press down. To sprint hold the arrow up against a box or bottom of a wall and quickly press the opposite direction.

Walkthroughs
There is a full video walkthrough in the form of a speed run by Daiz on YouTube, as follows:

Level starting position in video:
 * 00:06 Level 1 (Ninja Fortress 1)
 * 00:24 Level 2 (Ninja Fortress 2)
 * 00:51 Level 3 (Ninja Fortress 3)
 * 01:12 Level 4 (Inside 1)
 * 01:56 Level 5 (Boss 1)
 * 02:10 Level 6 (Dungeon 1)
 * 02:50 Level 7 (Dungeon 2)
 * 03:25 Level 8 (Red dungeon 1)
 * 04:48 Level 9 (Red dungeon 2)
 * 06:02 Level 10 (Final bosses)

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