Infinitevania

Achievements

Every achievement in Infinitevania with unlock conditions.

Total Achievements

Hidden

Completion

On This Page:Introduction·Achievement Categories·Achievement Roster·Core Mechanics·Advantages·Challenges·FAQ·Quick Tips·Articles·Explore More

Introduction

Infinitevania features 29 Steam achievements spanning story milestones, optional exploration discoveries, boss defeats, and hidden multi-step unlocks. The achievement list is designed to encourage multiple playthroughs rather than 100% completion in a single run, with several achievements only obtainable in New Game+ or after fulfilling specific dialogue and item requirements. Some achievements like 'I Knew It' are tied to Multiple Endings and require you to make specific narrative choices. This section catalogs every achievement, its unlock conditions, the biome or boss tied to it, and whether it can be missed. Whether you are a completionist or a casual player, knowing which achievements are missable lets you plan a save file strategy that maximizes your unlock count without grinding.

Achievement Categories

Category	Count	Example	Difficulty
Story	8	Core Destroyed	Easy
Boss	6	Forest Guardian	Medium
Ability	4	Moonwalker	Medium
Hidden	5	I Knew It	Hard
Completion	6	Nothing Stays Hidden	Hard

Achievement Roster

First Boss Defeated

Story Milestone

TriggerDefeat Eltram

Power Absorbed

Ability Unlock

TriggerAbsorb first creature power

All Biomes Visited

Exploration

TriggerEnter all 5 biomes

All Abilities Learned

Completionist

TriggerAbsorb all creature powers

I Knew It (Hidden)

Hidden / NG+ Exclusive

TriggerSpecific Old Man dialogue in NG+

Core Mechanics

29 Steam achievements span story milestones, boss defeats, ability absorptions, biome discoveries, and hidden Multiple Endings. Achievements unlock automatically when their conditions are met and sync to your Steam profile the next time the game contacts Steam servers. Several achievements are missable — meaning if you do not meet their conditions on a single playthrough they will not unlock until you start New Game+ and replay specific sections. The game's achievement tracker does not show progress for hidden achievements, so external wiki guidance is the only way to know what you have left. Most achievements are tied to specific biomes (Forest, Hive, Lava, Crypt) and unlock the first time you defeat the corresponding mini-boss or absorb a power in that area. The remaining achievements are gated behind Multiple Endings content and the Castle Hub's optional NPCs.

Advantages

The achievement system is well-balanced for both completionists and casual players. Common milestones like 'First Boss Defeated' and 'Power Absorbed' unlock naturally during normal progression without any extra effort, rewarding players for simply playing the game. Optional achievements like 'All Biomes Visited' and 'All Abilities Learned' provide clear long-term goals that encourage thorough exploration without artificial grinding. The hidden achievements tied to Multiple Endings are challenging but not unfair, and the wiki's step-by-step unlock guides mean even players who don't want to experiment can still see the full ending spectrum. Steam achievement icons are beautifully illustrated in the SotN-meets-Hollow Knight art style.

Challenges

Because several achievements are missable and tied to specific narrative choices, players who don't know about the system's requirements can easily miss 5-7 achievements on their first playthrough without realizing it. The in-game tracker does not show progress percentages for hidden achievements, so players have no way to know how close they are to completion. Some achievements require you to defeat bosses in specific orders or visit biomes in particular sequences, and these are not documented anywhere in-game. The 'I Knew It' achievement in particular is widely considered the most missable, because it requires a very specific dialogue choice with the Old Man NPC that most players won't think to investigate on a casual run.

Frequently Asked Questions

How do I unlock the 'I Knew It' achievement?+

The 'I Knew It' achievement is the most-discussed hidden achievement in Infinitevania. Community-confirmed triggers include: 1) Returning to the Castle Hub after defeating all main biomes but before destroying the Core. 2) Interacting with a specific NPC in a hidden Crypt room. 3) Completing the Old Man's dialogue tree to its final branch. The exact trigger is non-obvious by design. Plan a save file before destroying the Core to test different triggers without losing progress.

Is 'Legacy of Alucard' a reference to Castlevania?+

Yes — 'Legacy of Alucard' is a direct tribute to Castlevania: Symphony of the Night. The achievement name references Alucard, the protagonist of SOTN. Infinitevania is heavily inspired by SOTN's visual style and metroidvania structure, so this achievement is a thematic nod to the game's biggest influence. The unlock condition involves absorbing a specific ability combination — the details are intentionally vague to preserve the homage's discovery moment.

Which achievements are missable?+

Several achievements are missable across Multiple Endings. 'I Knew It' requires a specific trigger before destroying the Core. 'Legacy of Alucard' may require a specific ability combination unlocked in a particular order. Boss achievements (Forest Guardian, Hivefall, Giant Slayer, Wasp Queen) are locked if you skip the corresponding biome. 'Nothing Stays Hidden' requires 100% secret discovery before the True Ending path. Plan your first playthrough with a checklist to avoid missing any.

Quick Tips

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Save before every major story choice and after every boss defeat. Infinitevania's save system uses a single autosave slot without manual save files, which means missing an achievement means restarting from the last autosave — often 30-60 minutes of progress. If you have access to the game's developer console commands (only available in certain Steam beta branches), you can spawn specific NPCs or fast-travel to boss rooms to retry achievements without replaying entire biomes. For most players, the safest strategy is simply to consult the wiki before making any irreversible narrative choice.

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Don't assume you can get every achievement in a single playthrough. Multiple Endings content is locked behind at least two full playthroughs (one Normal ending, then New Game+ with specific dialogue changes). If your goal is 100% achievement completion, plan to start New Game+ immediately after the Normal ending rather than exploring post-game content first, because some New Game+ exclusive achievements require you to make different choices from the start. The wiki's New Game+ tracker lists every achievement exclusive to the second run.

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Hidden achievements are unlocked by exploring optional content rather than meeting specific combat milestones. Examples include talking to every NPC in Castle Hub after unlocking the Crypt area, reading all readable lore tablets scattered across biomes, and absorbing every creature in a specific optional mini-boss room. The best strategy is to talk to every NPC you encounter, read every plaque, and absorb every creature drop rather than skipping optional content. The wiki marks which achievements are tied to which NPCs and lore tablets so you can plan your route.