IDUN

About

IDUN is a single player strategy game. It was developed by IDUN Interactive and was released on January 20, 2025. It received mostly positive reviews from players.

Explosive singleplayer action RTS with a story campaign. Hold the line against massive swarms on a fully simulated battlefield.

Genres & Tags

Play Modes

Single-Player

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80%

Audience ScoreBased on 293 reviews

story32 positive mentions

grinding22 negative mentions

Unique blend of tower defense and real-time strategy with active turret and hero mobility, creating a dynamic and engaging gameplay experience.
Short, fast-paced missions with a variety of objectives and large enemy hordes make the game intense, addictive, and suitable for quick play sessions.
Robust upgrade and progression systems including meta base building and tech trees provide meaningful customization and replayability.

AI-generated voice acting is widely criticized as monotonous, grating, and immersion-breaking; many players prefer muting it entirely.
The game can feel repetitive and grindy over time due to limited mission types, RNG-dependent upgrades, and sometimes unbalanced turret effectiveness.
Interface and control issues with clunky UI, lack of turret targeting priorities, and inconvenient resource management detract from the overall experience.

story
197 mentions Positive Neutral Negative
16%
79%
5%
The story in this game is generally seen as serviceable but uninspired, featuring basic and sometimes predictable writing with AI-generated voice acting that many find cringeworthy or distracting. While the campaign has some interesting set pieces and varied mission types, the narrative depth is limited and often overshadowed by repetitive mission structures and grind-heavy gameplay. Overall, players appreciate the gameplay and tactical variety more than the story itself, which is viewed as functional but lacking polish and engaging elements.
- “The game also has raid missions, where you do a string of shorter missions and stack-up a variety of turrets, upgrades and so forth while working towards the ultimate mission at the end.”
- “Game even has a nice story, which I did not even expect, with characters that do not take themselves too seriously, which is always a nice thing.”
- “Varied mission types, a lot of content for the price.”
- “Some story missions are subpar and outright unpleasant.”
- “The mission types repeat far too often, making the grind feel much worse.”
- “Definitely needs more content on this front; after 50+ hours, missions offer little new with only 4 mission types, leading to repetitiveness.”
gameplay
89 mentions Positive Neutral Negative
48%
45%
7%
The gameplay is widely praised for its fun, engaging blend of tower defense, RTS, and roguelite mechanics, offering dynamic turret placement, strategic decision-making, and intense combat against large enemy waves. While some find its progression rewarding with variety and depth, others note repetition, grind, and RNG reliance can detract from the experience. Overall, the gameplay loop is addictive and satisfying, though it may feel unpolished or monotonous to some over extended play.
- “The core gameplay loop revolves around defending key objectives against overwhelming enemy waves while simultaneously expanding and maintaining your operational capacity.”
- “This unique blend of RTS and tower defense mechanics creates a fresh experience I'd call 'defense RTS.' It keeps you on your toes with its intense, real-time decision-making.”
- “The gameplay feels pretty great: turret defense roguelite strategy with a bit of RTS in the sense of active strategy (moving turrets and units constantly, deciding what survives and what falls, etc). The roguelite aspect is based on how many aliens you kill, giving you a choice between more units, more powers, etc. Essentially, you grow in power as the waves progress.”
- “I guess, for the price I did get enough fun to go through the main story, but be warned that the gameplay takes a nosedive within the early couple of hours.”
- “That said, there are only 5 mission types, and so the gameplay gets rather repetitive pretty fast.”
- “There is a lot to be said for the gameplay, but I will simply say it's mostly luck; your loadout as far as I've played has zero relevance.”
grinding
22 mentions Positive Neutral Negative
100%
The game is widely noted for its heavy grinding, with resource gathering and tech tree upgrades often feeling tedious, repetitive, and time-consuming. While some upgrades noticeably improve gameplay, the slow progression and numerous currencies can make the grind feel unrewarding and monotonous over time. However, a few players find the grind manageable due to short mission lengths and balanced resource farming.
- “Getting resources to upgrade towers is a grind and takes way too long, which makes the whole thing feel tedious instead of fun.”
- “The only thing I must say as a negative is the tech tree feels a bit boring, but most importantly very grindy. I spent quite some time with the game, but I am not even close to finishing the whole tree, and many of the unlocks feel very small for the amount of resources they need.”
- “I ended up playing most missions in sped-up mode to get through the chore of grinding resources for upgrades that barely made a difference in the end.”
music
21 mentions Positive Neutral Negative
62%
24%
14%
The music in the game is generally praised as solid, fitting, and often the best aspect of the experience, with a good and varied soundtrack that enhances gameplay. However, some users find the music loud even at low settings and may prefer to mute it and listen to something else. Overall, the soundtrack is well-received, though opinions on the necessity of music during play vary.
- “The music is the best thing about the game by far.”
- “Great visuals and sounds, slick interface, excellent music, and tons of content.”
- “The upgrade system is good, music is awesome!”
- “You were happy using stock music for the audio, so why not something similar for the voicelines? Hell, just a grunt over normal text would be better.”
- “Music can be loud even at the lowest settings.”
- “Turn off the music as well while you're at it, and put a podcast on or something.”
graphics
14 mentions Positive Neutral Negative
50%
29%
21%
The graphics are generally solid, colorful, and well-optimized, offering sharp visuals that enhance the gameplay experience. While some users find the art style uninspired or not to their taste, many appreciate the immersive aesthetics and smooth performance without FPS issues. Overall, the visuals complement the game well, contributing to an enjoyable and fresh roguelike experience.
- “Smooth as butter, immersive graphics, recommend a large screen for full experience, although fully optimised for small screens.”
- “Graphics were colourful, sharp and suited the game, I especially liked the 'main bases' spinning planet which reminded me of playing the older X-COM games.”
- “The gameplay and graphics are solid and the roguelite aspect of the game keeps most missions feeling fresh.”
- “Storyline is okayish, and art style seems uninspired.”
- “The game itself runs fine and the graphics are ok.”
- “It reminds me a little of Spaz in terms of its aesthetics.”
optimization
8 mentions Positive Neutral Negative
63%
38%
The game is highly optimized, delivering excellent performance even with tens of thousands of units on screen, maintaining smooth framerates without slowdown. Its priority on performance over graphics is well justified, resulting in a stable and balanced experience across different systems, including MacBook Pros.
- “Performance is great, no slowdown even in the 2hr refinery run for achievement when there's tens of thousands on the screen.”
- “Impressive performance: even with 10k enemies on screen the framerate stays completely nailed to my 165hz limit.”
- “Gfx are ok but given the numbers on screen I feel their priority has rightly been on performance.”
- “Is the game truly optimized and balanced?”
- “Besides the aforementioned Oscar-worthy performance of 'ham', the RTS / tower defense bug squashing is a fine distraction to play on my MacBook Pro during office meetings, which could use some AI interruption with all these humans in the meeting room.”
- “Gfx are okay but given the numbers on screen, I feel their priority has rightly been on performance.”
humor
5 mentions Positive Neutral Negative
100%
The humor in the game leans towards light dad jokes, with some genuinely funny moments, particularly in the AI dialogue and voice quips. While some players find the AI voices skippable, there's a desire for more customizable options to enjoy the humor, such as toggling voice quips separately from story progression or adding amusing text sounds. Overall, the humor is occasionally enjoyable but could benefit from enhanced user control.
- “There is some dad humour that even sometimes is funny.”
- “The AI dialogue is skippable but some of it is funny.”
- “There is a setting to turn off the voice quips, but not the story progression. Honestly, I would rather keep the funny AI voice quips on and turn the story AI voices off and just read them!”
replayability
4 mentions Positive Neutral Negative
75%
25%
The game offers extensive replayability with a wide variety of maps, missions, and units, alongside a challenging extreme mode that adds to the excitement. Overall, players find the replay value to be very high and engaging.
- “Plenty of maps, missions, and units offer a ton of replayability.”
- “Lots of replayability and extreme mode is pretty challenging and hectic.”
- “Infinite replay value.”
- “You can definitely tell replayability in this game is poor.”
emotional
2 mentions Positive Neutral Negative
100%
The emotional aspect is limited, with audio and character presentation adding some personality but narrative elements serving mainly as contextual background. Dialogue is repetitive and lacks the depth needed to create meaningful emotional engagement.
monetization
2 mentions Positive Neutral Negative
50%
50%
The game’s monetization is generally praised for being unobtrusive and not detracting from gameplay, offering a seamless experience. However, some users feel skeptical, perceiving it as a potential cash grab due to perceived shortcomings in AI polish.
- “A perfect tower defense without the icky monetization which found a way to incorporate seamless RTS moments that make the game a blast to play.”
stability
1 mentions Positive Neutral Negative
100%
The game exhibits some bugs that affect its stability, though it remains playable as a decent tower defense experience.
- “Still kind of buggy but a decent tower defense.”
character development
1 mentions Positive Neutral Negative
100%
Users praise the character development in the game as exceptionally well-crafted, highlighting the strong contrast between protagonist and antagonist that elevates it far above comparable titles like Baldur's Gate.
- “The character development and juxtaposition of protagonist and antagonist put it light years ahead of the typical fare like Baldur's Gate.”