← Concept Detail | Hi Fi Snake

Phase 4 Decision

ITERATE Attempt 6

Metadata

Timestamp: 2026-07-16 02:51:45.046592+00:00

Model: gemini-2.5-flash

Prompt version: dp2-v1

Decision

Final verdict: ITERATE

AI confidence: high

Submission Details

Value Curve Scores

Immediate Visual Readability

The game's core objective, player state, and immediate dangers are instantly understandable through visual cues alone, without text or tutorials.

Primary: 5

Secondary: 3

Tertiary: 2

New: 5

Preserve · Dominant: Primary · Persona Fit

Rationale: We had several issues in past games that the persona doesn't understand the game. They can control their character and give commands but they have a hard time understading what to do and why. E.g. Egg.io players can move, shoot but they don't understand the area coverage and the winning criteria.

Self-Generated Obstacle & Difficulty

Player success directly and visibly creates the primary obstacle and increases the challenge within the current run, making each decision more dangerous.

Primary: 4

Secondary: 0

Tertiary: 2

New: 4

Preserve · Dominant: Primary · Retention

Rationale: Conflict is very clear and inevitable, also doesn't create any sense of injustice or frustration when they lose (i lost because i am good).

Frequent Run-Based Upgrades

Players receive frequent, impactful upgrade choices during a run that significantly alter gameplay and strategy for that specific session.

Primary: 2

Secondary: 4

Tertiary: 3

New: 4

Raise · Dominant: Secondary · Persona Fit

Rationale: The frequent sentiment of progression is important and this makes it frequent and very visible. This will be created using the simple Upgrades sytem we already have in Unity projects - almost no coding.

Visually Satisfying Collection & Progression Feedback

Collecting items and progressing through gates is accompanied by immediate, energetic, and visually spectacular feedback (e.g., bright effects, beat-synced explosions).

Primary: 1

Secondary: 3

Tertiary: 4

New: 3

Raise · Dominant: Tertiary · Persona Fit

Rationale: The game builds on top of snake mechanics but with visuals of pac-man 256 that is more modern, unique and tailored to a younger audience. The visuals are already set and have several good assets already present on the vault.

Short, Self-Contained Room Challenges

Gameplay is structured into distinct, quickly completable rooms or segments, each presenting a clear, immediate objective.

Primary: 3

Secondary: 4

Tertiary: 2

New: 4

Raise · Dominant: Secondary · Persona Fit

Rationale: easy to understand challenges is essential for the persona. we had several issues with readability of the context in other games. Also, it is simple enought to add in the levels without complicating the design.

Clear Short-Term Goals & Milestones

The game constantly presents players with easily identifiable, achievable short-term objectives (e.g., 'open the next gate,' 'clear one more room').

Primary: 2

Secondary: 3

Tertiary: 2

New: 4

Raise · Dominant: Secondary · Retention

Rationale: Bite-sized goals gives that "just one more" sense because it feels like it can be done in a few seconds / minutes. Longer goals make the player pause when he knows it will take too long. This system is already present in the old Hi Fi Snake from the vault

Deterministic Violations

No deterministic violations.

AI Result

The value curve demonstrates a coherent design direction, but two primary reference scores for Snake are implausible, leading to an iteration requirement. Specifically, Snake's scores for 'Frequent Run-Based Upgrades' and 'Short, Self-Contained Room Challenges' need adjustment to accurately reflect its mechanics.

Score Reviews

Immediate Visual Readability

CLEAR

Reference scores are plausible, the dominant reference is appropriate, the ERRC action is correct, and the rationale is concrete and relevant to persona fit.

Self-Generated Obstacle & Difficulty

CLEAR

Reference scores are plausible, the dominant reference is appropriate, the ERRC action is correct, and the rationale is concrete and relevant to retention and player feeling.

Frequent Run-Based Upgrades

ITERATE

The primary reference score for Snake (2) is implausible for 'Frequent Run-Based Upgrades.' Snake does not feature explicit run-based upgrades; its mastery is systemic rather than through chosen power-ups.

Required fix: Adjust the `primary_reference_score` for `attr_3` to 0 or 1 to accurately reflect Snake's lack of run-based upgrades. Then, re-evaluate the `errc_action` and `new_score` if necessary to maintain coherence.

Visually Satisfying Collection & Progression Feedback

CLEAR

Reference scores are plausible, the dominant reference is appropriate, the ERRC action is correct, and the rationale is concrete and relevant to persona fit and production scope.

Short, Self-Contained Room Challenges

ITERATE

The primary reference score for Snake (3) is implausible for 'Short, Self-Contained Room Challenges.' Snake is a continuous arena game, not structured into distinct rooms or segments.

Required fix: Adjust the `primary_reference_score` for `attr_5` to 0 or 1 to accurately reflect Snake's continuous gameplay. Then, re-evaluate the `errc_action` and `new_score` if necessary to maintain coherence.

Clear Short-Term Goals & Milestones

CLEAR

Reference scores are plausible, the dominant reference is appropriate, the ERRC action is correct, and the rationale is concrete and relevant to retention and production scope.

Curve Checks

P4_REFERENCE_SCORE_PLAUSIBILITY

FAIL

The primary reference scores for 'Frequent Run-Based Upgrades' (attr_3) and 'Short, Self-Contained Room Challenges' (attr_5) are implausible for Snake, which lacks these features.

Required fix: Adjust the `primary_reference_score` for `attr_3` to 0 or 1, and for `attr_5` to 0 or 1, to accurately reflect Snake's mechanics.

P4_DIFFERENTIATION

PASS

The new concept target scores produce meaningful differentiation from the Primary Reference by preserving core Snake attributes while raising attributes related to Archero's progression and Pac-Man 256's spectacle.

P4_DOMINANT_REFERENCE_FIT

PASS

All dominant reference choices align well with the attributes and the stated contributions of each reference game.

P4_RATIONALE_CONCRETENESS

PASS

All rationales are concrete and provide production-relevant reasons, often linking to persona, retention, or existing assets/systems.

P4_WATCHABILITY_IMPROVEMENT

PASS

The 'Visually Satisfying Collection & Progression Feedback' (attr_4) attribute is raised, with its description and rationale directly addressing watchability and spectacle, aligning with the TikTok moment and persona needs.

P4_RETENTION_IMPROVEMENT

PASS

The 'Frequent Run-Based Upgrades' (attr_3) and 'Clear Short-Term Goals & Milestones' (attr_6) attributes are raised, directly improving progression, repeat-session value, and the 'just one more' feeling for retention.

P4_IP_PERSONA_FIT

PASS

The curve preserves core Snake attributes while raising others to fit the Web Gen-Z Drifter persona's needs for constant progress, immediate feedback, short bursts, and visual spectacle, maintaining the 'Hi Fi Snake' IP anchor.

P4_SCOPE_DISCIPLINE

PASS

Rationales for all raised attributes explicitly address production efficiency or leverage existing assets/systems, demonstrating scope discipline.

P4_DAILY_RETURN_ALIGNMENT

PASS

The curve's emphasis on short, clear challenges, frequent progression, and visual rewards aligns well with the proposed daily return hook of a 'three-room remix with a special modifier rewards a rotating cosmetic piece.'

P4_ERRC_COHERENCE

PASS

The ERRC choices form a coherent design direction, preserving core Snake mechanics while raising progression, structure, and spectacle to meet persona needs and leverage other reference games.