Protocol

51 achievements

Ultra Rare×13

Very Rare×17

Rare×16

Uncommon×2

Common×3

About Protocol's achievements

Protocol has 51 Steam achievements, 13 of them ultra-rare — unlocked by under 5% of players. The rarest is "Impossible", earned by just 2.6% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement

2.6%

of players earned "Impossible"

🗺️ Community guides & walkthroughs

Community Ratings

No ratings yet

Difficulty—

Easy → Brutal

Enjoyment—

Meh → Loved it

Grindiness—

No grind → Huge grind

Want to rate Protocol? Sign in with Steam — one rating per person.

ℹ️Showing global unlock rates. Sign in with Steam to see your personal progress.

All Protocol achievements

51 achievements

Impossible

No violations during the game.

Ultra Rare2.6%

Rogue

Fetched the hand in ending 3.

Ultra Rare3.3%

Do you have enough patience?

Defeated a drone projecting AI many times.

Ultra Rare3.4%

What was that?

Administrated the "dubious" drug again.

Ultra Rare3.7%

Against the orders

Took a shortcut in the chapter "You have violated the Protocol".

Ultra Rare3.8%

Looking for the new thrills

Use all the drugs in the complex.

Ultra Rare3.9%

Fear and Loathing in Terminus Research Complex

Vaccinated the alien.

Ultra Rare3.9%

Everybody loves this game

Passed hacker's first mini-game.

Ultra Rare3.9%

I see you like taking crazy risks.

"Called" a combat drone.

Ultra Rare3.9%

Intelligence 1

Started the fire.

Ultra Rare4.0%

Gunter

Found all the hidden Easter eggs during the "system configuration".

Ultra Rare4.1%

Tidy fella

Threw soap at the alien when you first met it.

Ultra Rare4.4%

Tea time

Interrogated the alien using a teapot.

Ultra Rare4.9%

Steel grind

Threw any object except a snowball.

Very Rare5.1%

Perfect training

Died during the training.

Very Rare5.1%

Shoot back

Throw any object back at the alien.

Very Rare5.4%

Neo

Passed chapter "Penetration" without damage.

Very Rare5.4%

Souls experience 3

Defeated the third "boss" without damage.

Very Rare5.5%

Dubious ethics

Got ending 7.

Very Rare5.7%

This password belongs here

Entered the iconic password in the first terminal.

Very Rare6.3%

Bureaucracy power

Got ending 0.

Very Rare7.2%

Have a nice day

Found all the possible ways to violate the Protocol.

Very Rare7.6%

Need for speed

Rolled down a hill.

Very Rare8.5%

Odd tastes

Learned RAT-DG terminal's functionality.

Very Rare8.6%

Ah, nevermind

Used a hint 100 times.

Very Rare9.8%

Rat from the sinking ship

Got ending 3.

Very Rare9.9%

Souls experience 1

Defeated the first "boss" without damage.

Very Rare11.1%

Dead end in evacuation

Found all dead ends in the Technical area.

Very Rare11.9%

Against all

Got ending 4.

Very Rare12.9%

After the credits

Saw the scene after the credits.

Very Rare14.5%

Souls experience 2

Defeated the second "boss" without damage.

Rare16.2%

A person of self-reliance

Destroyed the complex.

Rare16.4%

You have fulfilled the Protocol

Got ending 2.

Rare16.4%

Flesh is ONE

Got ending 6.

Rare17.1%

Contacted FairGames

Used the terminal's "chat".

Rare17.8%

Used a hint 50 times.

Rare18.1%

In the name of humanity

Got ending 5.

Rare20.0%

Happy 3000 year!

Find a way to go into the far future.

Rare20.3%

You didn't even get out from the capsule 2

Death from suffocation.

Rare23.2%

You didn't even get out from the capsule 1

Death from the fire.

Rare24.7%

Random Hero

Got ending 1.

Rare24.7%

The last Wilson's will

Complied with Wilson's request.

Rare24.9%

Party At The Horror House

Found a screamer in chapter "Penetration".

Rare25.1%

Luck 10

Guessed the correct password from the Residential unit's door.

Rare26.2%

Ignoring the warnings

Ignored contactees' warning.

Rare28.7%

90%

Forgot to take a keycard in the capsule.

Rare29.0%

80%

Forgot a keycard in the lighting terminal.

Uncommon47.4%

Against the system

Threw a snowball.

Uncommon47.8%

I don’t like being tense

Used a hint 10 times.

Common50.5%

Repeat. Please

Used a hint for the first time.

Common80.4%

I.Z.

Violated the Protocol for the first time.

Common81.7%