SteamAPI_Init() failed. LastError = 87

[s0exjambie]

What I must doing to run the game whit out this error?

[deathnoise]

Try to download the Aeria Ignite and install the game through it.
With Aeria Ignite you can also redeem free stuff every 12 hours by clicking on "Loot Box", which is actually worth it
Every time you do, you can get one of the following items:
09 armor (timed), 1 or 10 blue tickets, 1 or 10 red tickets, perm redline pistol, perm mask or perm melee weapon Uchigatana

[Nightwalker un4given]

Flushing your Steam application files
You can reset the Steam application's files to rule out a few potential causes of this issue.
1. Exit Steam.
2. Open Internet Explorer, Safari or Firefox and type steam://flushconfig then press Enter. (If
asked to allow this website to open a program, please click 'Allow' or 'OK'.)
3. When prompted by Steam to reset your configuration, please click 'OK' to confirm.
4. Once done, log in to Steam and re-test the issue.

[Zephyr]

Originally posted by G5Killer (Alex):

Flushing your Steam application files
You can reset the Steam application's files to rule out a few potential causes of this issue.
1. Exit Steam.
2. Open Internet Explorer, Safari or Firefox and type steam://flushconfig then press Enter. (If
asked to allow this website to open a program, please click 'Allow' or 'OK'.)
3. When prompted by Steam to reset your configuration, please click 'OK' to confirm.
4. Once done, log in to Steam and re-test the issue.

doesnt work :(

[>=SF=< Quantom X]

They are making it too complicated. This error is usually due to your antivirus. Which do you have?

[Animus]

It happened to me too! I Tried everything. Turning off my Antivirus, Going to the Files (but It keeps saying connecting) I cant find any solution. I just think this game is pure ♥♥♥♥.