Principal Puzzle Game Designer – Mobile, Meta Systems

960 MIDASPLAYER.COM LIMITED; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

King is seeking a Principal Game Designer (Puzzle Core) to shape the moment-to-moment puzzle experiences for a new casual mobile game. You will design core puzzle gameplay, level mechanics, blockers, and progression, guiding the player through thousands of levels while ensuring accessibility and depth.

You will work with designers, artists, engineers, and product partners to align with the creative vision and game strategy, shaping pacing, readability, and feedback to deliver highly engaging

Qualifications

• Experience designing core puzzle gameplay and systems for mobile games.
• Proven track record in meta systems, progression frameworks, or long-term engagement mechanics.
• Strong understanding of player motivation, progression design, and engagement loops.

Responsibilities

• Design and evolve core puzzle gameplay, including level mechanics and progression.
• Define blockers and level pacing to ensure readability and challenge.
• Collaborate with design leadership, product managers, and data scientists to tune difficulty and engagement.
• Prototype new gameplay mechanics to expand design space while aligning with economy and meta systems.
• Document designs clearly for cross-disciplinary teams and communicate risks early.

Skills

Mobile games

Free to play

Meta game design

Progression design

Player motivation

Data-driven

Team collaboration

Communication

Fast-paced

Match-3 mechanics

Job description

King is seeking a Principal Game Designer (Puzzle Core) to shape the moment-to-moment puzzle experiences for a new casual mobile game. You will design core puzzle gameplay, level mechanics, blockers, and progression, guiding the player through thousands of levels while ensuring accessibility and depth.

You will work with designers, artists, engineers, and product partners to align with the creative vision and game strategy, shaping pacing, readability, and feedback to deliver highly engaging