The Party of One [warning: latest posts may contain spoiler]

[Batty]

Yeah Chiller, already tried everything mentioned in thread.

Nice troll.

Sorry about the spoiler.

[Lex]

Nice troll.

If developers confirmed it's secret hidden in game I do not think he's trolling. He just could be not quite sure what causes this mode to unlock.

[Chiller]

Well it obviously didn't work for the first person who tried it, so it must be locked somehow.

[Ashtray]

Oh yes, it is possible, hard mode not needed.
This picture cointains possible spoiler

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[stage]

Well this is all that have been suggested from start of thread:

-secret room in first level
-casting some spells on statues or some specific spots
-Naming characters Toorum
-Naming characters with Devs name (backwards and forwards - Petri, Juho , Antti , Olli)
-Something with the 4 alcoves in the starting location
-any combination of that above + the

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this things mentioned - on top of "Freeing" Toorum, getting all treasures/notes (Hard lvl, maybe)

.

Did I missed something?

Edit: omg Ashtray, the suspense

[Chiller]

Nice one Ash!

Btw I also found out what's needed to unlock it. Funnily enough it's also been mentioned in this thread (hint: not by me).

[Batty]

Playing solo on hard adds nice replay value, thanks devs.

It's suicide mode.

[Gabrien]

Very interested in a solo mode, and the harder it will be the better. Just read through this whole thread though and have to admit I'm a little annoyed: aren't all these "hints" and the "I know something you don't know!" snickering a little childish? If you know how to unlock it just say so already and be done with it, sheesh! Put it inside spoiler tags by all means. Pretty please?

[SheinJ]

Here's what worked for me:

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I resurrected Toorum, and finished the game on normal. Then I started a new game, named the first character Toorum, and pressed enter.

[Chiller]

And the unlock mechanic:

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You need a file named "toorum_lives.txt" in the same folder as your savegames. It is (most likely) created when you rez Toorum.