In Space with Markiplier Part 1 All Endings Guide

In Space with Markiplier is a choose-your-own-adventure game/film which is produced and directed by Mark Fischbach, also known as the YouTuber Markiplier. This is the third “with Markiplier” series that has been done by the channel on YouTube following the success of A Date with Markiplier and A Heist with Markiplier.

The story makes use of YouTube’s video card feature which lets viewers see the next suggested videos, as well as its feature of letting content creators un-list videos; only viewers that have the link can view unlisted videos. With these two features, it allows creators to create branching story lines by making the viewers decide which video to watch next depending on which pre-determined option they go for.

With the many branching story lines that In Space with Markiplier has, it’s no surprise that some people spent the time and effort to discover every ending that exists in this story. That includes us. And with Part 2 coming soon on May 2, it’s the best time to catch up and see all the endings the first part has in store.

In this guide, we will list down all of the In Space with Markiplier: Part 1 endings that we’ve discovered so far.

WARNING: Obviously, this guide will contain MASSIVE SPOILERS, so if you wish not to be spoiled, you can watch the film first and see what endings you get. You can always come back here in case you want to know which endings you might have missed.

How many Endings does In Space with Markiplier Part 1 have?

In Space with Markiplier Part 1 has 41 endings. This includes counting all the soft endings, true endings, multiple endings within a video, and same endings that are counted separately based on the video that precedes them. Per act, there are:

First Act: 16 endings
Second Act: 9 endings
Third Act: 16 endings

How is an Ending defined?

In this guide, we will only be listing down endings and the paths that you’ll have to watch to get to that ending. We define an ending in two ways:

Soft ending: These are the endings that result in you, the Captain, dying and resetting. These endings still have a title card that leads to another video.
True ending: These are endings that result in the film’s credits and a hard stop.

In Space with Markiplier Part 1 All Endings

These endings will be done in sections that are divided by the junction videos where most of the other videos lead to. Currently, the entire film is divided into three main parts or acts and endings will be listed per act. There are some non-junction videos that can be reached via different paths, but we’ll only list down the shortest path.

First Act

The first act spans from the beginning of the story up until the Go Towards the Light… video.

In Space Without Markiplier Ending (Good Ending): You never woke up Mark by fixing the Life Support System first and just waking up your other crew members. They fix the ship but you activate Event Horizon Protocol which jettisons the warp core from the ship. The ship manages to reach a habitable planet and everyone was able to live prosperous in it. You grow old and die happy.
- Fix Life Support
- Wake the Crew (ADS w/o Mark)
- Wake the Crew (Cryo w/o Mark)
- Wake the Crew (Reactor w/o Mark)
Death by Droids Ending: You wear a mustache to trick the droids, but they see through it and shoot you regardless.
- Fix Life Support
- Wear a Disguise
Henry Stickmin Ending: You call for backup and get a helicopter crash into the ship instead.
- Fix Life Support
- Wake the Crew (ADS w/o Mark)
- Call for Backup
Bomb Ending: You decide to throw a bomb inside the reactor room to blow it up.
- Fix Life Support
- Wake the Crew (ADS w/o Mark)
- Wake the Crew (Cryo w/o Mark)
- Blow IT up before IT blows YOU up!
Alone Ending c/o Mark: Mark shows his happiness to you for believing in him, but it took too long and the ship explodes. You wake up in the bridge but everything is dark and the ship is shut off. You survive, but everyone else died. You live out the rest of your life while the ship drifts in space.
- Fix Life Support
- Wake the Crew (ADS w/o Mark)
- Wake the Crew (Cryo w/o Mark)
- Blow IT up before IT blows YOU up!
- I Believe You
Gladiator Arena Ending: You don’t believe Mark and he manages to fix everything in the ship. The Event Horizon Protocol was activated, sending the ship drifting into space. The ship then encounters an alien ship who are actually poachers. They pick up everyone in the ship to put in their arena for their entertainment. You go into the arena and instantly get killed by the gladiator.
- Fix Life Support
- Wake the Crew (ADS w/o Mark)
- Wake the Crew (Cryo w/o Mark)
- Blow IT up before IT blows YOU up!
- This Must be a Dream!
Spaced Ending via Fix It ADS: You wake up and manage to save Mark. ADS is down and you choose to fix it from the outside. You go to the airlock and eject yourself into space.
- Put Out the Fire
- Fix it from the Outside! (ADS)
Spaced Ending via Fix It Cryo: You wake up, fix ADS, but the Cryo System breaks down. You decide to restart and eject yourself into space.
- Put Out the Fire
- Fix it from the Outside! (ADS)
- Fix it from the Outside! (Cryo)
Spaced Ending via Fix It Reactor: You wake up, fix ADS, Cryo System, but the reactor is about to blow up. You decide to restart and eject yourself into space.
- Put Out the Fire
- Fix it from the Outside! (ADS)
- Fix it from the Outside! (Cryo)
- Fix it from the Outside! (Reactor)
Paranoia Ending: This follows the ending right after fixing the reactor from the outside. You reset, but the ship is working fine. All systems are working well and all of the crew are awake. Warp core gets an issue, Mark opens the door to the warp core and finds a wormhole instead. You activate the Event Horizon Protocol and jettison the warp core. The ship drifts in space but finds a planet. But you’ve grown paranoid about everything that you have kept your crew locked up to keep them safe.
- Put Out the Fire
- Fix it from the Outside! (ADS)
- Fix it from the Outside! (Cryo)
- Fix it from the Outside! (Reactor)
Pillow Ending: After sending in Mark a couple of times, the ship gets fixed and everyone was saved by the Event Horizon Protocol. You and the colonists arrive at a planet and you make Mark do everything for you. Mark breaks and decides to put you into eternal sleep by suffocating you with a pillow.
- Put Out the Fire
- Send Mark In
- Send Mark in Again
- Send Mark in… Again
No Oxygen Ending: You grab the fire extinguisher to put out the fire. You try heading into the next room, but you run out of oxygen and pass out.
- Put Out the Fire
Large Object Collision Ending: You wake up Gunther to fix the Automatic Defense System. Gunther glitches and turns into Ms. Whitacare. She offers cookies and goes inside the ADS room, but gets shot by the droids immediately. The large object collides with the ship and the ship explodes.
- Put Out the Fire
- Wake the Crew (ADS w/ Mark)
Reactor Overload Ending: You wake up Celci to fix the Cryo System. She glitches out and turns into Ms. Whitacare and offers a cookie. She tries to fix the Cryo System, but ends up at the Reactor Room and overloads the reactor, causing the ship to explode.
- Put Out the Fire
- Wake the Crew (ADS w/ Mark)
- Wake the Crew (Cryo w/ Mark)
Reactor Meltdown Ending: You wake up Burt to fix the Reactor System. He glitches out and turns into Mrs. Whitacare. She then talks to you about second chances. She opens the door to the Reactor Room and everyone gets burned by its meltdown.
- Put Out the Fire
- Wake the Crew (ADS w/ Mark)
- Wake the Crew (Cryo w/ Mark)
- Wake the Crew (Reactor w/ Mark)
Alone Ending c/o Ms. Whitacare: You wake up in the bridge but everything is dark and the ship is shut off. You survive, but everyone else died. You live out the rest of your life while the ship drifts in space. This ending immediately follows the Reactor Meltdown Ending.
- Put Out the Fire
- Wake the Crew (ADS w/ Mark)
- Wake the Crew (Cryo w/ Mark)
- Wake the Crew (Reactor w/ Mark)

Second Act

The second act spans from the Go Towards the Light… video until the Use the Device/Plan K videos. Several of the First Act videos lead to the Go Towards the Light… video and the listed path moving forward will start from its choices.

Spaced Ending via the Light: You head to the light and reset back during the ship’s failure. You grab the fire extinguisher and break the glass panel, sucking you out into space. Listed down are the soft endings that you can go for to reach this point.
- In Space Without Markiplier
- Alone Ending c/o Ms. Whitacare
- Alone Ending c/o Mark
- Gladiator Arena Ending
- Spaced Ending via Fix It Reactor/Paranoia Ending
- Pillow Ending
Crystal Ending: You end up in a room with the warp core. A crystal flies and embeds itself in your hand and you black out and go back during the ship’s failure. This coincides with the Spaced Ending via the Light ending.
War Wug Ending: Mark tries to attack Wug, but Wug sees it and stops Mark. Wug declares war and attacks you and Mark instead.
- Call an Emergency Meeting
- Send a Distress Signal
- Attack
Black Hole Ending: You and Mark go into the wormhole again. Mark gets sucked into a blackhole and cuts to black.
- Jump In Again! (#1)
Sunrise Ending: You and Mark decide to jump into the wormhole again. You end up in a planet that is so close to the sun and the sunrise starts chasing you.
- Jump In Again! (#1)
- Jump In Again! (#2)
Volcanic Planet Ending: You and Mark decide to jump into the wormhole again. You end up in a volcanic planet where there’s fire and flames. Picking to jump again after this will just cycle back to the Black Hole Ending.
- Jump In Again! (#1)
- Jump In Again! (#2)
- Jump In Again! (#3)
Reverse Ending: Decide to follow Burt’s advice and back up the ship towards the wormhole.
- Call an Emergency Meeting
- Pop ‘er in Reverse!
Noir Wormhole Ending: Decide to fire all weapons at the wormhole, but the wormhole fires back.
- Call an Emergency Meeting
- Pop ‘er in Reverse!
- Fire All Weapons At The Wormhole
Shot Down by Noir Wug Ending: You try to give Mark the signal to shoot, but Wug shoots both of you down.
- Call an Emergency Meeting
- Pop ‘er in Reverse!
- Send a Distress Signal (Noir)
- Give Mark “The Signal”

Third Act

The second act spans from the Use the Device/Plan K videos until the True Endings. Several of the Second Act videos lead to the Use the Device/Plan K videos and the listed path moving forward will start from their choices.

Alien Jumpscare Ending #1: You decide to open the door as per the mysterious voice’s request. An alien jumps out from the door and you black out.
- Open the Door
Alien Jumpscare Ending #2: You decide to open the door in Wug’s ship as per the mysterious voice’s request. An alien jumps out from the door and you black out.
- Open the Door
- Open the Door (Wug’s Ship)
Alien Jumpscare Ending #3: You decide to open the door in the Universal Stability Agency as per the mysterious voice’s request. An alien jumps out from the door and you black out.
- Open the Door
- Open the Door (Wug’s Ship)
- Open the Door (USA)
Wug Crash Ending: You are surrounded by Gunther and the rest of the crew in a coup. You press the emergency button Wug gave you and Wug comes crashing through the ship.
- Don’t Open the Door
- Gunther! Think of the Colonists!
- Call for Backup
Puppet Show Ending: This immediately follows the Wug Crash Ending. Reality turns into a puppet show. You an Puppet Mark meet Gunther, Celci, and Burt as you head to the warp core hall. Lady shows up, and then Gunther and Wug shows up. All of you get sucked into the wormhole.
Bomb Ending: You arrive in the reactor room and Burt decides to blow the ship up. You whip out a bomb to blow yourself up instead.
- Don’t Open the Door
- Gunther! Think of the Colonists!
- Blow IT up before IT blows YOU up!
Cryo Sleep Ending: Celci convinces you to go into the cryo pod. After some time, Treasure Hunter Mark appears, talks for a while, and closes the door again.
- Don’t Open the Door
- Gunther! Think of the Colonists!
- Burt! Think of the Colonists!
- Celci! Think of the Colonists!
Self-Destruct Ending: You decide to push the big self-destruct button to go against the narrator.
- Plan K
Ms. Whitacare Ending: You decide not to go through the portal and just use the device, but the Ms. Whitacare took it from you and leaving you stuck in the void. Credits start to roll different scenes glitch in.
- Plan K
- Well Now I’m Not Doing It!
Old Mark Collapses Reality (True Ending): You and Mark decide to jump into the wormhole, but gets stopped by Lady holding a gun. Mark gets shot. You are held at gunpoint. The crystal goes bonkers and you get teleported into the room with the warp core. Old Mark shows up and tries to kill you. You grab his prosthetic hand and it explodes. Mark tries to warp into an unknown place in the universe. You and Mark get teleported into a dark room and credits start to roll. The warp core shows up. Ms. Whitacare shows up. The universe is about to collapse and reality glitches. A timer shows up as the universe is being rebooted. This ending can be reached from the following videos:
- Open the Door (USA)
- Call for Backup
- We’ve Been Here Before
- We’ve Never Been Here
- Step in the Wormhole
- I’m Ready
- Hold on a second…

In Space With Markiplier Notes

The endings listed are based on the definition that we mentioned above. We may have a different interpretation from others as to what an ending is, therefore the total ending count may not match.
Since it’s heavily hinted (and by now confirmed) that this is just Part 1 of In Space With Markiplier, it is possible that the ending count per act may change, or some of the choices from Part 2 will refer back to some of the videos in Part 1.
If we missed some endings, we’re sorry. The whole mapping experience was really confusing, but fun at the same time, so we might have overlooked at some stuff.