UX/UI Case Study • Desktop Utility

LEXDEX

LEXDEX Header

1. CONTEXT

LexDex is a roguelike, card collecting typing game with a built-in collection mechanic. Players type words against dynamic WPM (Words Per Minute) targets across different modes, building a persistent library of "word cards" based on their performance.

2. THE PROBLEM

Most typing games prioritize raw speed over precision and rhythm, making them feel like flat sprints rather than nuanced challenges. This singular focus on speed limits long-term player motivation, as there is no meaningful reward structure for accuracy or consistency.

3. THE SOLUTION

I designed a dual-axis reward system that transforms typing mechanics into a gamified collection loop:

  • 1
    Rarity via Word Length

    A word's length dictates its card rarity (e.g., 2-3 letters = Common, 10+ letters = Legendary), directly tying the intrinsic difficulty of typing long strings to the extrinsic value of the reward.

    LEGENDARY
    (adj.) Remarkable enough to be famous; very well known.
  • 2
    Condition via Precision

    Hitting a target WPM isn't enough; players must maintain a consistent typing cadence across a 5-level "Trials" mode to earn a "Perfect" clear.

    Core Gameplay Loop
  • 3
    Meaningful Acquisition

    The player's error rate and precision directly dictate the collected card's Condition (from "Poor" up to "Mint Condition").

    FLAWLESS
    (adj.) Without any blemishes or imperfections; perfect.
  • 4
    The Result

    The system made each word feel less "empty" and more inherently valuable. Rather than just typing to survive, players genuinely tried to "catch" the words. As an anecdotal proof of concept, my 16-year-old brother played for hours and actively messaged me screenshots over the span of 3 days, showing off the extremely rare cards he caught and the "Mint" conditions he achieved.

4. DESIGN THINKING

  • Proactive Gamification

    I anticipated that raw typing metrics would quickly cause player fatigue, so I applied the concept of Variable Rewards and Meaningful Progression to sustain engagement.

  • Recognition Over Recall

    The persistent "LexDex" library interface allows users to easily track their progress visually, relying on recognizable card states (undiscovered vs. collected) rather than abstract scores.

  • Next Steps

    If I had resources for live user testing, I would measure the drop-off rate between Trials level 3 and 5 to determine if the cadence consistency threshold is too punishing for casual players.