Ways to make a character flat footed...

[Quelyth]

List away...

[Abraham spalding]

1. Go before them on the surprise round or first round of combat.

[dragonfire8974]

gunslinger ability

I haven't personally read it, but it works as long as you have a grit point (don't have to spend it) and intentionally miss

[Cheapy]

Sneak up behind them and bop em on the head, like the feat tree wants you to do.

[Dragonamedrake]

Quelyth wrote:

List away...

Go before they do in combat

Feint. Wont help you unless you take the feat to make it less then a standard action.

Im sure there are others.

[Karlgamer]

Quelyth wrote:

List away...

That's like saying "you go to the PRD and type 'flat-footed' in the find box for me.

Okay

Quote:

At the start of a battle, before you have had a chance to act (specifically, before your first regular turn in the initiative order), you are flat-footed.

I would also include the first hit on someone that would initiate a battle. Even if that means the battle last for only one attack.

Quote:

A helpless character is also flat-footed.

Quote:

A pinned creature is tightly bound and can take few actions. A pinned creature cannot move and is flat-footed.

from the feats:

Quote:

Catch Off-Guard (Combat)

Quote:

Shatter Defenses (Combat)

UC wrote:

Betrayer

Invisibility doesn't allow you to attack is if they are flat-footed but it might help in attacking before combat begins.

[redliska]

-Grease

_Uneven ground or narrow surfaces