Retro Replay Review

Gameplay

The Day 4: Icarus starts from a familiar but reliable place: a horizontally scrolling sci-fi shooter where Captain Lee and company take their ships into a mechanical invasion. You are immediately concerned with staying alive, keeping your shots useful, and making room to maneuver as mechanized enemies press the attack. It is direct arcade design, and that directness is one of its strengths. There is no long runway before you understand what matters.

The weapon system gives the action more texture than a simple hunt for the biggest pickup. Power-ups can alter a weapon’s behavior or improve what you already have, extending the shot or adding three-way fire. The catch is excellent: choose a different weapon and it returns to its default weak form. That makes every change a real decision. A new gun may suit the immediate threat better, but abandoning a heavily enhanced weapon can feel painfully wasteful.

That tension is where the game begins to click. You are not merely grabbing every item on instinct; you are weighing a fresh option against the firepower you have already earned. It can also be frustrating when a tempting switch leaves you rebuilding from a weak baseline, particularly if you were comfortable with your current setup. Still, that risk keeps the upgrade loop from becoming automatic.

Two-player co-op is the biggest reason to pull Icarus off the shelf instead of treating it as another solitary scrolling shooter. You and a partner can combine the two ships into a giant mecha, a wonderfully oversized idea that suits an arcade game about fighting an army of machines. Even without a lot of complexity around it, that shared option gives the game a distinct reason to revisit its battles with someone beside you.

Graphics

The view stays side-on as spaceships fight through a futuristic war against mechanized creatures. The most immediately memorable image is the co-op merger: two small player ships joining into one giant mecha, a fitting visual payoff for playing together.

Story

This is a lean save-the-Earth setup: Captain Lee and his friends must stop an army of mechanized creatures from destroying the planet. It gives the shooting a clear target without demanding that you stop for a complicated plot.

The title may suggest a fourth chapter, but Icarus is actually the third entry in its Korean-made series. More importantly, it continues the same broad conflict rather than trying to make narrative the main attraction. Earth is threatened, machines are coming, and your crew launches to stop them.

That economy works for this kind of game. You are here to push through hostile forces and build enough firepower to survive, not to untangle a dense science-fiction drama. The story does its job by giving the action stakes and then staying out of the way.

Overall Experience

Icarus is a good fit when you want a classic arcade shooter with one smart complication in its power-up system. The shooting premise is familiar, but the cost of changing weapons means your decisions have consequences. It rewards committing to a growing weapon while still making you reconsider when another option appears.

Its best feature is also its clearest recommendation: bring a second player. Co-op alone makes the game more inviting, and combining ships into a giant mecha gives the partnership a memorable shared moment rather than simply placing two ships on the same screen.

Go in expecting focused, old-school action rather than a reinvention of the scrolling shooter. If you enjoy managing upgrades under pressure and have a friend ready to join the fight, The Day 4: Icarus has enough of its own personality to be worth the trip. Solo, it remains a solid, no-nonsense run; together, it has its strongest hook.

Retro Replay Score

7.2/10