Mainlining

Mainlining

Rebelephant · 2017 · Hacking, Indie, Simulation, Adventure, Point & Click

PC
Mostly Positive78% · 28373Metacritic
Best price 54 Good deal
$1.09-89%
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About Mainlining

✦ AI summary

Investigate criminal suspects by hacking into their computers and phones as an MI7 agent, gathering evidence while deciding when to strike before they escape or you miss bigger leads. This point-and-click adventure explores the ethics of government surveillance through a gripping narrative that blurs the line between reality and a chillingly plausible near-future Britain.


"Arguing that you don't care about the right to privacy because you have nothing to hide is no different than saying you don't care about free speech because you have nothing to say." - Edward Snowden

Mainlining is a thrilling point and click hacking adventure that mixes dark and dry humour with a gripping narrative that will have you hooked from the very first case. Following the government's introduction of the BLU Pill Act and the Secret Intelligence Service's reintroduction of MI7, all online personal data is accessible by the powers that be. Mainlining questions techno-ethics and whether it is acceptable for an organisation to have the power to look at personal data. What if someone else got the key to that?

Mainlining and its BLU Pill Act mirrors what's happening in our own world. On November 4th 2015 the The Draft Investigatory Powers Bill was discussed in the British Parliament's House of Commons for the very first time. It’s likely that the bill will be passed sometime in 2016, meaning that domestic mobile and broadband providers will be forced to assist authorities with gathering data and storing it for a year. The police and security services will have access to the top line of the UK’s population browsing history, as well as knowing what apps have been used.

Referred to in the popular media as “the Snooper’s Charter” and opposed by a number of civil and human rights organisations, the Investigatory Powers Bill is positioned to aid security forces in tracking terrorists and serious cyber criminals who use increasingly sophisticated online methods. 

Mainlining is a refreshing take on the traditional point and click adventure. The entire game takes place on the simulated desktop of the protagonist’s computer. Assuming the role of a newly recruited MI7 agent and working within the remit of the Blu Pill Act, the player must use their skill, judgement and cunningness to gather evidence by hacking suspects’ computers and phones.

As a MI7 operative your primary objectives are to ensure the perpetrator’s arrest and that the courts have sufficient evidence to hand out the longest custodial sentences possible. However, you’ll also have to make judgements on whether the case you're working on is complete. Move in too quickly and you may miss leads linking your case to much higher profile cyber-criminals. Act too slowly and your suspect may detect you and escape.

In excess of five hundred known criminals are known to operate within your jurisdiction, who will you investigate?

The driving force behind Rebelephant is British-born developer and designer, Sam Read. Highlighted by internationally renowned publication Develop as one of the 30-under-30 to watch out for, Sam has already tasted success as a key member of the HyperSloth team and their critically acclaimed first-person adventure, Dream. Owner of Rebelephant, Sam is responsible for the design, direction and coding of Mainlining.

To fit in with the game's 2009, feel Rebelephant has called upon the artistic talents of Dave Grey who, in his own words, "Makes things with pixels. Like games and stories and things". Dave's previous collaborations include Microsoft and HBO.

Mainlining relies heavily on an energetic narrative that draws the player into the game, blurring the lines between reality and the imaginary world of MI7. Rebelephant wasted no time and called upon one of the best scriptwriters in the business, Canadian novelist Jill Murray. Jill was nominated for Writers Guild Award for Outstanding Video Game Writing for her work on Assassin's Creed IV: Black Flag and won the award for scriptwriting on Assassin’s Creed III: Liberation.

For the final part of the jigsaw Rebelephant has drafted in the sublime audio talents of Jared Emerson­-Johnson. BAFTA nominated, Jared's scores include Telltale Games' Sam & Max series, The Walking Dead, The Wolf Among Us, Tales From the Borderlands and Game of Thrones.

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What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Not recommended Jun 11, 2026
[h1] Who play this? Seriously. [/h1]
5 found this helpful
Recommended Jul 9, 2026
Decent especially for less than 2 dollars
1 found this helpful
Not recommended Jul 13, 2026
It is such a good concept but unfortunately it is literally unplayable. I am on case 3 and whenever I type 'u' the command line resets. [spoiler] There is no way for me to find the U number plates. [/spoiler] This is a known bug which I have tried to get around from other advice online but no amount of opening/closing tabs or going in and out of windowed mode changes anything. You also cannot copy and paste text or move your cursor so I can't get around it that way. Disappointing as I was looking forward to more of these sorts of games.
Recommended Jul 11, 2026
Likes: - Characters and dialogue (Ashe Barne's emails were pretty funny to me) - The ending was well done I think (interesting time-based mechanics) - Art style & feel of the game (UI) Dislikes: - TEDIOUS typing (hated typing out IP addresses and file names...wish there was autocomplete!) - Early to mid game was pretty boring and repetitive (go to website, ping website, read the files, etc.) - Didn't like how you couldn't keep notes from case to case - Also didn't like how there was a limit to how much you could write in the notepad For the $2 I paid for it, this was worth the experience. It's not mind-blowing, and the plot isn't doesn't really pull you in that much...but it's a good little distraction these types of "OS simulator/ hacking games" The "puzzles" weren't too hard. But due to the tedious nature of having to type out everything, it took away from the "fun" experience. Anyways, I'd recommend this only on a deep discount basis
Recommended May 12, 2026
Mainlining is a cyberpunk-inspired investigative adventure that turns the ordinary process of browsing files, reading emails, and searching databases into a tense and immersive detective experience. Developed by Rebelephant and published by Merge Games, the game places players behind the screen of a government intelligence computer system where every clue, suspect, and secret must be uncovered through hacking, surveillance, and careful analysis of digital information. Instead of relying on action sequences or cinematic set pieces, Mainlining builds suspense entirely through deduction, atmosphere, and the unsettling realization that every citizen’s private life is only a few clicks away from exposure. The game is set in a near-future Britain where privacy laws have collapsed following the introduction of the BLU Pill Act, legislation that grants intelligence agencies unrestricted access to personal digital information. Players take on the role of an operative working for MI7, a government surveillance division tasked with tracking cybercriminals after a major breach compromises national security. What initially appears to be a series of disconnected investigations slowly evolves in…
Recommended May 5, 2026
Yes I am writing upon finishing so you can get the gist about how long it's roughly going to take. Solid writing, solid puzzles that aren't too hard but just enough to keep you engaged. A good story with good vibes. I miss those. No notes.

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