Overtime Innovations LLC

Product case study

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Chain Descent app icon

Original iOS Product

Chain Descent

A tactical puzzle battler that combines route-based matching, resource management, enemy pressure, and build-changing powers in replayable dungeon runs.

Product StrategyGame SystemsiOS DevelopmentProgression DesignApp Store Launch
Chain Descent tactical puzzle battle screen
4Resources managed each run
2Public App Store ratings
5.0Public App Store rating
1.0.1Current public version

The product

Every chain is both an attack and a survival decision.

Chain Descent asks players to trace matching tiles across a combat board while enemy pressure builds with every turn. Longer, more efficient chains gather resources, restore defenses, and deal damage before the next wave becomes overwhelming.

Each run combines health, armor, gold, and XP management with enemy statistics, level-up power choices, permanent upgrades, changing boards, and personal-best progression. The result is a puzzle loop that supports both quick sessions and deeper strategic runs.

Product gallery

A combat system that stays readable under pressure.

The design challenge

Combine match-puzzle clarity with the pressure of tactical combat.

The board needs to communicate several systems simultaneously: which tiles can be chained, what each enemy will do, the player’s health and armor, available resources, and the powers that can alter the next move.

The challenge was making those systems meaningful without overwhelming a phone screen. A player should be able to understand the immediate opportunity, anticipate the cost of spending a turn, and recognize how a chosen build changes the board.

The approach

Make every move serve the current battle and the larger run.

01

Player-drawn chains

Tracing a route gives players direct control over the length, value, and tactical purpose of every move.

02

Visible pressure

Enemy values and player resources remain on screen so each turn can be evaluated before committing.

03

Build-changing powers

Level-up choices alter tiles, resources, and board states so repeated runs develop differently.

04

Competing priorities

Attacking, healing, adding armor, and collecting gold create tradeoffs instead of one automatic best match.

Shipping and iteration

The first update strengthened both onboarding and system reliability.

Version 1.0.1 added a guided tutorial covering objectives, chains, enemy statistics, XP, and powers. It also improved menu input blocking and safe-area behavior, corrected Weaver’s Shift so it produces a safe board, fixed multiple power effects, and added further interface polish.

Product operations

The game was launched as a live, replayable system.

  • App Store presentation and release management
  • Run-based combat, progression, and personal-best systems
  • Advertising and analytics implementation
  • Privacy disclosures and public support documentation
  • Guided tutorial and onboarding improvements
  • Post-launch power, input, and interface fixes

From product thinking to business execution

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