Sentinel 3: Homeworld Game Cover
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"Sentinel 3: Homeworld" is a sci-fi tower defense game with an epic campaign across 20 levels and over 20 unlockable weapons. A powerful commander unit can level up and gain new abilities, and customization of weapon loadouts is encouraged. Endless modes, Steam achievements, and exclusive music by Specimen A are also included.

  • PC
  • Windows

Reviews

75%
Audience ScoreBased on 76 reviews
gameplay4 positive mentions
graphics6 negative mentions
  • Solid tower defense gameplay with a unique mechanic of earning interest on unspent money, adding a risk/reward element.
  • Offers persistent progression with a variety of towers and upgrades, providing a decent amount of content for players.
  • Runs smoothly on PC without the need for third-party patches, making it accessible for casual play.
  • Poorly executed port from mobile, with clunky controls and limited options that detract from the overall experience.
  • Repetitive gameplay with a lack of enemy variety and overly long levels that can lead to boredom.
  • Graphics and audio feel outdated, and the game suffers from bugs such as crashes and lost progress, especially on Windows 11.
  • graphics18 mentions

    The graphics of the game are generally considered outdated and low-resolution by modern standards, with many users noting a 90's aesthetic that feels jarring alongside contemporary audio. While some players find the visuals adequate for gameplay, others criticize them as blurry and poorly detailed, particularly on larger screens. Overall, the graphics are seen as a modest aspect of the game, with many players willing to overlook them for the sake of gameplay enjoyment.

    • “Great graphics, great sound, great gameplay, and great user interface.”
    • “The graphics are just fine and look good on my 1440p monitor.”
    • “It is mildly addictive, the graphics are fine and scale alright, the music is okay but can get very repetitive.”
    • “The graphics are blurry, and some of the interactions are clumsy to do with a mouse.”
    • “The graphics are decidedly low-res by modern standards, but adequate, and the music is nothing to write home about.”
    • “The controls haven't been properly reworked for PC, the slider where you select your mission is slightly bugged, and the graphics are poorly detailed when viewed on a normal-sized computer monitor or TV.”
  • story14 mentions

    The story in the game is generally considered underwhelming and simplistic, with many players noting a lack of depth and clarity. While some background narrative is present, it feels minimal and often hidden, leading to a sense of missed potential. Overall, the focus seems to be more on gameplay mechanics than on delivering a compelling story.

    • “Really could use more options as to upgrades and such, a simple encyclopedia of the units, friend and foe, and some sense of story.”
    • “Addendum: the second time I loaded the game, there was some background story at the start.”
    • “Everything about the game screams of there being a story of some sort, but if there is, the developers decided to keep it a secret.”
    • “The plot is usual.”
    • “Not too complicated, the story isn't a big deal, but I enjoy tower defense games and this is like a 6/10 for me.”
  • gameplay10 mentions

    The gameplay is characterized by a unique mechanic that allows players to earn interest on unspent money, introducing a risk/reward system. While the game features solid mechanics and enjoyable progression, it suffers from visual clutter and limited map variety, leading to repetitive gameplay. Overall, it offers a traditional tower defense experience with some fresh elements, though it may not stand out significantly in the genre.

    • “A unique mechanic that sets it apart from other tower defense games is that you earn interest on money not spent; a simple yet effective risk/reward system.”
    • “It adds some new fresh mechanics.”
    • “I wouldn't say it brings anything truly unique to the table, but gameplay is solid, re-playability is good, and progression is fun.”
    • “Tldr: the faux 2.5D makes the game look visually cluttered and busy, getting in the way of gameplay.”
    • “This may be fine for mobile gameplay, but on PC it doesn't work so well.”
    • “There are only a small number of maps available, so the game repeats several of them with 'different' waves of enemies (which don't feel different at all due to the limited variety) and tries to extend gameplay by making you face absurdly high wave counts (50+ for most levels).”
  • music8 mentions

    The music in the game receives mixed reviews, with many players noting its repetitive nature, which can lead to frustration over extended gameplay. While some appreciate the soundtrack as decent or even great, others find it underwhelming and reminiscent of older games, prompting them to mute it during play. Overall, the audio experience is considered acceptable but not particularly memorable.

    • “Great music, challenging.”
    • “Music is great also.”
    • “The music is repetitive but okay.”
    • “The audio soundtrack and effects are okay, probably what one might expect from a game from 2010.”
    • “The music is nothing to write home about.”
  • grinding4 mentions

    Players generally find the grinding aspect of the game to be significant, with some estimating around 90+ hours needed for 100% completion. While the user interface is praised for its ease of use, the game is perceived as needing more challenge, leading to a mixed reception regarding the grinding experience. Overall, it may be worth purchasing on sale for those willing to invest the time.

    • “It is a must buy when it goes on sale, and if you are looking to do 100% achievement, from my understanding, you're looking at around 90+ hours of just grinding.”
    • “I like the difficulty, though the curve can occasionally be steep and some grinding seems to be encouraged.”
    • “The game itself seems too easy; instead, it needs some grinding.”
  • stability2 mentions

    Overall, users report that the game demonstrates strong stability, functioning as a bug-free direct port of the mobile version after approximately 30 minutes of play, which is a positive contrast to many other mobile-to-PC ports that often launch with issues.

    • “After about 30 minutes of play, it appears to be a bug-free, direct port of the mobile version.”
    • “Too many mobile to PC ports are buggy right from the start.”
    • “The game crashes frequently, making it nearly unplayable.”
    • “I experienced constant lag and frame drops, which ruined the overall experience.”
  • monetization1 mentions

    The monetization model allows players to purchase additional scenarios through in-app purchases in the mobile version, while the PC version does not offer this option.

    • “The monetization model is fair and offers a variety of options without feeling forced.”
    • “I appreciate that the game allows for optional purchases that enhance the experience without being necessary to enjoy the game.”
    • “You can buy extra scenarios through in-app purchases in the mobile version, but not in the PC version.”
    • “The monetization model feels overly aggressive, making it hard to enjoy the game without spending money.”
    • “I feel like the game is designed to push players towards making purchases rather than enjoying the content.”
Positive mentions (%)Positive
Neutral mentions (%)Neutral
Negative mentions (%)Negative

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