What it is
DELTARUNE - Alternate Ending - Chapter 7A Penultimate Carol boss is a fan-made boss battle set in a hypothetical Deltarune Chapter 7 scenario. It focuses on a single penultimate fight against Carol, surrounded by pre-battle and post-battle dialogue, menu exposition, and a quick-start option. The page warns of spoilers for all chapters, personal theories, and flashing lights in some attacks.
From the developer
In the developer’s own words, from selene3.itch.io.
Hypothetical Deltarune Ch7A Penultimate boss
PLANNED CHANGES TO COME SOON: Try to fix Asriel sprite lines (every time I add lines it looks bad, if I manage to make a better version I'll update it) Adjust Asriel spare% dialogue slightly
Warnings:
Read more
!Potential spoilers for all chapters!
!Use of personal theories!
!Flashing lights for some attacks!
This fangame includes:
Pre-battle dialogue
Quick-start option (skips pre-battle dialogue)
Aqua SOUL???
Battle Post-battle dialogue
Optional exposition in menu
Credits in menu
Controls:
Move (menu and battlebox) - [<] [^] [v] [>]
Select (menu) - [z] Burn TP for heat (battlebox) - [z]
Return (menu) - [x]
Slow movement + Show hitbox (battlebox) - [x]
TP refill cheatkey - press/hold [T]
Day-after-release bug fixes: Fixed Ralsei layering issue in intro cutscene Fixed dialogue portraits sometimes not appearing Added "skip phase 1 / skip phase 2" options Slightly altered Kris's 'Split II' attack Fixed incorrect credits (leftover from Knight rematch fangame) Prediction in detail
If anything doesn't work, please let me know in the comments so that I can fix it
Editor takes
“A single penultimate boss made with real care — quick-start, skip-phase options, and post-release fixes show a jam-sized scope polished well beyond its size.”
“Brutal bullet-hell patterns demand precision, but the slow-move hitbox display and phase skips turn frustration into a fair challenge.”
How to play
Navigate menus with the arrow keys, confirm with Z, and return with X. In the battlebox, move to avoid attacks, press Z to burn TP for heat, and hold X to slow movement and show your hitbox. A TP refill cheatkey (T) is also available if you want an easier time during practice or later playthroughs.
Tips
- Use X in the battlebox to slow your movement and reveal your hitbox during dense attacks.
- Spend TP with Z when you need heat, but keep an eye on your TP so you aren't left without options.
- If a phase is giving you trouble, use the added skip phase 1 / skip phase 2 options.
- To spare the other characters, you may need to distract Carol; Kris only becomes spareable after sparing Asriel.
- Press and hold T to refill TP as a quick shortcut, especially while learning attack patterns.
Questions
Is this an official Deltarune game?
No, it is an unofficial fan-made fangame set in a hypothetical Chapter 7 Alternate Ending.
What platforms can I play it on?
The itch.io page lists it for HTML5 (browser) and Windows.
Are there any content warnings?
Yes, the page warns of spoilers for all Deltarune chapters, the use of personal theories, and flashing lights in some attacks.
Is there a way to make the fight easier?
The game includes skip phase 1 / skip phase 2 options, and a TP refill cheatkey is available if you want to practice without worrying about TP management.
Does the game save progress?
The page does not mention a save system; it appears designed as a single boss-focused fangame.
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