The Henry Stickmin Collection: Complete Guide & 100% Checklist

A guide to all six games in The Henry Stickmin Collection: how the choose-your-path format works, how branches carry between episodes, how to clean up every fail, bio, rank, and ending, and how to approach the 82 Steam achievements without spoiling every joke.

Researched September 2026 — current as of the Steam release (August 7, 2020, PuffballsUnited / published by Innersloth). The collection has had no major content updates since. Live games change; check the linked sources if something differs.

Quick Start

• Failing is the content. Every wrong choice plays a unique (usually hilarious) fail animation. The collection tracks them, and several achievements ask you to see all of them. Don't be afraid to pick the silliest option.
• Play in order. Breaking the Bank, Escaping the Prison, Stealing the Diamond, Infiltrating the Airship, Fleeing the Complex, then Completing the Mission. Later games reference earlier ones constantly.
• You can't lose progress. A fail simply sends you back to the choice. There's no life counter.
• Branches matter from the Airship on. Infiltrating the Airship and Fleeing the Complex have multiple paths and endings, and Completing the Mission builds on the endings you choose.
• Hover and look around. Some screens hide clickable secrets and achievements outside the obvious choice buttons.
• Collect bios. Each game has character bios to find. They're tracked separately from fails.
• Use the menus. The collection shows your fail and ending progress per game, so you can see what's missing.

The Six Games

# | Game | Structure | Unique fails (per achievements)

1 | Breaking the Bank | Short and linear, fully reanimated for the collection | 5 ("Pentafail")

2 | Escaping the Prison | Linear with several choice points | 18 ("Prisoneer")

3 | Stealing the Diamond | Linear, longer | 40 ("Failsterpiece")

4 | Infiltrating the Airship | Branching, multiple endings | 60 ("Frequent Failer")

5 | Fleeing the Complex | Branching, multiple endings | 60 ("Notorious Failster")

6 | Completing the Mission | New for the collection, about three times larger than any earlier game, many endings | 164 ("The Story Ends")

Escaping the Prison, Stealing the Diamond, Infiltrating the Airship, and Fleeing the Complex were remastered with redone backgrounds and sound effects. Completing the Mission is the brand-new finale that caps off the series.

Who's Who (Light Spoilers)

Character | Role

Henry Stickmin | The silent protagonist; thief, prisoner, and eventually a lot more depending on your choices

Charles Calvin | Enthusiastic government helicopter pilot and Henry's most frequent ally ("calling in your buddy Charles")

Ellie Rose | A fellow inmate who can become Henry's partner in Fleeing the Complex

The Toppat Clan | A top-hat-wearing criminal organization that Henry keeps running into from the Airship onward

Reginald Copperbottom | Leader of the Toppat Clan

Right Hand Man | Reginald's second-in-command, a recurring rival

General Galeforce | The government commander who recruits or opposes Henry depending on the path

Your relationship with the government and the Toppat Clan is the main axis of the branching: several paths put Henry on the government's side, others put him inside the Clan, and some leave him working solo. That's the easiest way to keep track of which endings you haven't seen yet.

How Choices Work

• Each choice screen offers a set of items or actions (a teleporter, calling your buddy Charles, and so on).
• Correct choices move the story forward; incorrect ones lead to a fail animation, then you return to that choice.
• Some screens have quick-time prompts or timing sections. Missing them also counts as a fail.
• A fail you've already seen doesn't count twice; only unique fails are tracked.

Branching Paths and Ranks

From Infiltrating the Airship onward, the story splits. Finishing a path gives a rank (shown on Steam as abbreviations like "Rank: GSPI" or "Rank: CA"). Fleeing the Complex's ranks include:

Rank | Meaning

CA | Convict Allies

PD | Presumed Dead

GI | Ghost Inmate

TB | The Betrayed

IRO | International Rescue Operative

The Steam list has 15 rank achievements in total. Besides the five above, they are SE, LU, BBO, IoaS, JPE, UB, GSPI, PBT, RPE, and RBH, earned on the ending screens of the earlier branching games (Infiltrating the Airship's government-side ending, for example, is GSPI). The game spells out each rank's full name when you earn it, so use that screen to tick them off.

Completing the Mission

• Completing the Mission continues from the choices you made in Infiltrating the Airship and Fleeing the Complex. The collection lets you pick which earlier outcome you're continuing from, so you can explore every combination.
• It has 16 endings, all tracked by Steam achievements named with abbreviations: TT, TK, SBO, PP, TR, CG, R, VH, CeO, SSR, T4L, TCW, LNE, JB, FM, and MBH.
• The store page calls these "multiple entirely canon, extremely different endings." There's no single "true" ending.

Strategy: play each branch through once for the story, then go back specifically for fails. Trying to collect every fail on your first pass through a branch slows the pacing and spoils the fun of the next reveal.

100% Checklist

Per-game goals

Goal | Games | Achievement(s)

Complete Breaking the Bank | 1 | "The Story Begins"

All unique fails | All six | Pentafail, Prisoneer, Failsterpiece, Frequent Failer, Notorious Failster, The Story Ends

All bios | 1 to 6 | Bank Account, Prisoner Log, The Ledger, Membership, Roll Call, Allies & Enemies

All ranks | Airship and Complex | 15 "Rank:" achievements

All endings | Completing the Mission | 16 "Ending:" achievements

Secret and joke achievements

The Steam list has many hidden or joke achievements with only hints. Some of the hints, verbatim:

• "I TOLD you about stairs." ("BUNP")
• "Should've kept you Locke-d up." ("Last Reverie")
• "It sure is animal-y in here." ("Barnyard Blitz")
• "Legend says the Toppats have it." ("Biggol Sword")
• "Where is he?" ("Waldorf")
• "Glitchless." ("Speedrun Strats")
• "Wake up and smell the snow." ("Rise 'n Shine")
• "Everyone is here!" ("Assemble the Crew")
• "No lock, no problem." ("Lockpick Pro")
• "Can't have that going all day." ("chirp chirp")
• "I must own this art." ("Connoisseur")
• "Lose 6 points." ("Like a D6")

More hints from the Steam list, for the harder-to-guess ones:

Achievement | Hint on Steam

Bound to the Earth | "Oh my goodNess!"

xXn00bslayerXx | "LOUD SOUNDS"

100111010 | A line of hex code (decode it for the clue)

Play of the Game | "THIS is Play of the Game..?"

Gold | "Is it edible?"

It's a joke... | "I'm not dumb, ok?"

Donut Want | "...or do you?"

This is fun! | "Hee Hee Hee haha!"

Buttery Snack | "yum yum"

Famous Movie Line | "Okay, it's not THAT famous."

Greasy Delight | "Rub some butter on that bad boy."

brUGHNO | "Gettin' real sick of seeing this guy."

Nailed it! | "Stuck the landing."

lolbrawlreference | "lmao"

You Win! | "Good job!"

A handful more (Spooked, LOLOLOL!!11, tl; dr, BRAAAGH!!, Easy Achievement, braaagghh.., Respects, aeiou, BEEEEEEEE, Multiverse Correction, BRRYYESS!) have no hint at all. Most of these are gag fails or reactions, so the "try every option" rule covers them.

These come from clicking hidden objects, choosing specific fail options, or seeing particular scenes. If you want to find them yourself, the general rule is: click on anything that looks interactive, try every option in every scene, and pay attention to jokes that call back to earlier games.

Tips for Each Game

Breaking the Bank

Very short. See all five fails ("Pentafail") in one sitting.

Escaping the Prison

Every choice screen has a few options; most are fails. Clear the list methodically — pick options left to right at each screen.

Stealing the Diamond

Longer, with more choice screens. It's the first game where it pays to keep a mental note of which option you haven't tried at each screen.

Infiltrating the Airship

The first fully branching game. Paths split early, and your choices (who you side with) define both the rank you get and how later games continue. Finish one path, then go back and take the other options.

Fleeing the Complex

Also branching, with five ranks. Some paths involve teaming up with other characters. The rank names above tell you roughly which direction each path goes.

Completing the Mission

The largest game by far, with 164 unique fails and 16 endings. Expect several hours for a full cleanup. The menus make it easy to see which ending you still need.

Common Mistakes to Avoid

• Only playing the "correct" choices. You miss most of the humor and most of the achievements.
• Skipping the older games. Callbacks in Completing the Mission land much harder if you've played the rest.
• Grinding fails on the first pass. You'll burn out; enjoy the story first.
• Ignoring non-choice clickables. Several hidden achievements come from clicking things that aren't choice buttons.
• Assuming one ending is canon. Each ending is a valid conclusion; try them all.

Advanced Tips

• Work the menus. Use the in-game tracking of fails and endings to target exactly what's missing.
• Check the bios early. Bios are separate collectibles; if a game shows missing bios, replay scenes where new characters first appear.
• Keep the sound on. Audio cues and music jokes are part of several gags.
• Branch chart. For Completing the Mission, write down which Airship/Complex combination you started from; it makes cleaning up the 16 endings much faster.
• Replay fast. Once you know a path, click through its correct choices quickly to reach the branch point you're cleaning up.

FAQ

How long is The Henry Stickmin Collection? The main paths through all six games take a few hours; 100% (every fail, bio, rank, and ending) takes considerably longer, mostly in Completing the Mission.

Is Completing the Mission only in the collection? Yes. It was brand new with the collection, "never before seen online."

Do I need to play the Flash originals? No. The collection includes all five earlier games, remastered, plus the finale.

Who made it? PuffballsUnited (Marcus Bromander and team), published by Innersloth, the studio behind Among Us.

Which ending is canon? The game presents multiple endings as "entirely canon." Pick your favorite.

How many achievements are there? 82 on Steam, including all ranks, endings, fail and bio collections, and many hidden joke achievements.

What's the hardest achievement? "The Story Ends" (all 164 unique fails in Completing the Mission) takes the longest.

Sources

• The Henry Stickmin Collection on Steam
• The Henry Stickmin Collection Steam achievements