Unity

Redline protocol [v0.2] [PotatoeStudio]

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0.0 Rating 282 Views Updated Sep 26, 2026

Redline Protocol is a side-view squad-defense shooter set in a cyberpunk future. Recruit a squad of characters through an in-game

Redline Protocol is a side-view squad-defense shooter set in a cyberpunk future. Recruit a squad of characters through an in-game gacha (no real-money purchases), gear them up, and hold line while waves of enemies push in from the right. Each of the five classes: Tank, Bruiser, Sniper, Artillery, and Support, brings her own auto-attack style and a tap-to-trigger special ability, so building and positioning a five-woman squad matters as much as raw stats.
Outside of combat, gifts and affection unlock character gallery events narrative scenes and CG art gated behind how well you know each character.

Thread Updated: 2026-09-26

Release Date: 2026-09-26

Developer: PotatoeStudio – Itch.io – SubscribeStar – Discord

Censored: No

Version: 0.2 Alpha

OS: Windows, Android

Language: English

Other Games: Link

Genre:

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Installation:

Windows:

1. Extract and run the .exe.

Android:

1. Enable “Install from unknown sources” in your device settings.

2. Install the .apk.

Changelog:

v0.2

NEW GALLERY CONTENT

– Vantage: two new events. Rank 6 “Encore” and rank 7 “Overwatch”. Rank 7 is a new

affection rank that only exists for characters who have a rank 7 event.

– Redwake: new rank 6 event, “The Captain’s Surrender” (9 pages).

– SubscribeStar early access ($10 tier and up): Pulse’s “The Caretaker, Cared For”

(rank 4) and “Anchor” (rank 5), and Riot’s “Wired For You” (rank 4) unlock early

for linked members.

NEW SSR ABILITIES

– Vantage, Encore: shoots the toughest enemy in range, then fires again at the next

toughest every time a shot kills (up to 3 shots).

– Riot, Bloodsport: marks the toughest enemy in range, forces it to fight only her,

and boosts her attack and defense for a short time.

– Pulse, Combat Triage: a big heal on the most injured ally, then healing over time

for the whole squad.

GAMEPLAY

– Missions now rotate: 5 daily and 5 weekly missions picked from a larger pool at

each reset, with targets that grow as you progress. Missions you can’t complete

are never offered. Many new combat missions (kills, ability kills, flawless

clears, boss clears, healing, damage absorbed). The weekly gear mission now needs

just one upgrade.

– Gear bonuses are now a percentage of the character’s stats: Common 8%, Rare 12%,

SSR 16%, up to 9.6% / 15.6% / 22.4% fully upgraded. Weapons raise ATK (DEF for

Tanks, Heal Power for Supports), armor raises max HP. Gear frames now show rarity

color.

– Enemies now prefer your Tank over your Bruiser when both are about equally close.

– Support heals now go to the ally with the lowest HP percentage, at any distance.

Rally heals the whole squad regardless of range. Abilities show FULL HP when no one

needs healing (you can still use them for the buff).

– The stage 40 and 45 bosses now come with proper lead-up waves instead of

appearing alone.

– Clearing the final campaign stage now shows CAMPAIGN COMPLETE instead of a

Continue button that led nowhere.

– Losing a stage you haven’t cleared yet now tells you the first-clear bonus is

still available.

– The feedback form on the Home screen now really sends, anonymously (only the

category, your message, the game version and platform).

BALANCE

– Campaign Neo-Dollar rewards reduced: first clears pay one third, replays one

tenth. Daily and weekly challenge rewards are unchanged.

– Level-up stat growth for Bruiser, Sniper, Artillery and Support was about 3x too

high and has been corrected, so a max-level Common no longer beats a fresh Rare.

Squads may deal slightly less damage than before.

FIXES

– Ranking: progress from the previous Abyss season no longer carries into the new one.

Your v0.1.1 save carries over.

v0.1.1

Roster

Fixed Redwake’s gallery event images, which had gone missing after a reimport.

Campaign

The campaign roadmap is expanded from 30 to 50 stages across 5 chapters, with new story beats woven through the run.
Stage 1 is restored to its intended solo tutorial difficulty (a recent bug had it spawning a full-size wave instead of the tutorial’s smaller one).
Enemy toughness now scales HP and damage separately per stage, so late bosses hit harder without turning every regular enemy into a damage sponge.
The “SQUAD CHECK” advice on the stage prep screen now gives one concrete suggestion (recruit, fill a squad slot, equip available gear, deal with flying enemies, or level up) instead of a vague power estimate.
The profile screen’s Level Up button now shows exactly how much XP is needed and spends exactly that amount.

Abyss

Abyss now previews the exact rewards for your next floor before you deploy, split out for first-time versus repeat floors.
The Abyss card and shop now call out the cheapest cosmetic you’re still missing, its cost in Marks, and roughly how many floors will get you there.
New Abyss Shop cosmetics: five titles (Abyss Sovereign, Abyss Walker, Rift Veteran, Void Ascendant, Void Survivor) and three borders (Void Frame, Inferno, Storm).
Equipped Abyss titles and borders now show up correctly on the friends leaderboard instead of only appearing on your own profile.
Fixed a bug in the Abyss Shop.
A new Abyss season’s Floor 1 is no longer oddly easy: its difficulty now starts in line with the campaign stage that unlocks Abyss, instead of being pinned to campaign stage 1’s difficulty.

Progression and Economy

Daily login, Command Tower, and daily mission rewards are all increased, so newer players can afford recruiting and gear upgrades without grinding stages endlessly.
Tanks are noticeably tankier: base HP is up about 27%, and a bug that had their HP/Defense growth per level quietly stuck at a much lower rate than intended is fixed.
Early pulls are smarter: while you own fewer than 5 characters, Common-tier character pulls can no longer land on someone you already have.
Gifting is now locked once a character reaches maximum affection, since there’s nothing left to gain from it.
Support’s Heal/Buff Pulse ability now targets the lowest-HP ally anywhere in the squad, not just allies within range.

Settings

Added a “Reset Progression” option to Settings, letting you wipe your save and start over (keeping your completed tutorial) without needing a special debug build.

Consistency and Fixes

Hub, Combat, and the developer debug menu now all use the same alpha character roster (Combat and the debug menu previously referenced the full, unreleased roster).
Fixed a visual scale bug affecting some characters’ combat sprites.
Fixed your leaderboard rank being thrown off by anonymous accounts with no display name. Your rank now only counts players who could actually appear on the public board.
Fixed a rejected display name change clearing what you’d typed.
Fixed the game getting stuck reporting “offline” after certain backend resets instead of reconnecting automatically.
Various additional Hub UI and stability fixes.

v0.1 Alpha

-30 levels of campaign (story is WIP)

-Abyss mode (infinite mode)

-10 Playable Characters

-Global abyss leaderboard

-Profile customization

-other stuff I keep forgetting

Developer Notes:

This is an development build, expect bugs, unfinished feature, missing stuff, did I mentioned bugs?

This is also our second game, we tried something different from the first one, but we tried to keep the quality, and improve on it.

Are you an artist?:

Hey, if you’re an artist with 2D skills or 2D animation skills and you’re interested in collaborating on the game feel free to reach out either here or on our discord, we’re interested!

if you’re an AI image artist, unfortunately as you can see we’ve got that covered ^^; if you do know how to make AI animation on the cheap side (or the fast side), we could be interested though.