Most games these days either give you an overwhelmingly vast open world to explore or confine you to a relatively linear path, but Hitman takes a third approach and is all the better for it.

It's open enough to be considered a sandbox game, in that you can explore its six locations at your own pace and in your own way. But at the same time there's only one real objective to each level.

That objective is of course to kill your targets - preferably unnoticed - and escape alive. To do so involves puzzle solving, disguises, a fair bit of hiding in plain sight and, occasionally, rubber ducks. 

It's a simple formula, and one that was essentially perfected in 2006's excellent Blood MoneyFortunately, smarter AI, creative challenges and a thriving online community ensure that the sandbox format still feels relevant a decade later. And it's certainly a welcome return to form after the polarising experimentation of 2012's Absolution.

Opportunity knocks

If The Complete First Season seems like an odd title for the game, that'll be because it was initially put out in episodic form before now getting this full packaged-together release. As always, it sees you take charge of Agent 47, a character who may have one of the most generic names in the protagonist business but who's become something of an icon over the course of five Hitman games.

At the start of each level - or location - you’ll be given your targets and some intelligence, then let loose to get the job done however you see fit. Whichever approach you take though, you're going to need to discover the key ‘opportunities’, usually via eavesdropping or locating an item or area. These opportunities essentially offer paths to your target – and sometimes even to their outright demise. But while helpful, they wisely never make life too easy.

So, for instance, you might overhear a hipster fashion blogger panicking over the fact that she’s broken her camera lens and is scheduled to interview and photograph your target. This give you options: if you help her out she’ll conduct the interview in a nice, secluded spot that’s just perfect for a bit of long-distance sniping. Or you could sabotage her camera with explosives. Or simply listen to the hilariously OTT interview then take out your target with another more dastardly method.

Experimentation is encouraged, and there’s a brilliantly broad and often darkly amusing range of ways to take out the bad guys and gals. 

The devil (literally) wears Prada

Enemy AI is absolutely crucial to this. We always bemoan our games for not being realistic, but reality is hard, man. Hitman menacingly treads along just the right line: AI is responsive and suspicious, but just about forgiving enough.

The key to this system is elegantly simple. NPC suspicion depends on your disguise, and therefore your security clearance. There will be key NPCs with a little white dot over their heads who become suspicious if you get too close to their *ahem* special areas (e.g. entering the kitchen dressed as a hair and makeup assistant). They’ll start to follow you at first, and raise the alarm if you don’t break line of sight for long enough.

Until someone starts firing, though, you’ve got time to ‘convince’ (read: incapacitate) someone to switch outfits with you and blend back in. The simulation is flexible enough that you can still just take route one by scaling a drainpipe or whipping out a silenced pistol, but you’ll most likely cause yourself more of a headache further down the line. The important thing is that the AI goes a long way to building your immersion and forcing you to get crafty, but it never feels unfair. When you mess up, you’re generally only angry at yourself.

View to a kill

The variation in level design means that each of the six locations has its own atmosphere and obstacles. For example, you’re allowed access to a great deal of the Paris level without needing a disguise, since the target is hosting a public fashion show. While this means sneaking around is not mandatory, it proves more difficult to make the kill without a drunk socialite noticing.

In Colorado, on the other hand, the majority of the areas are hostile and heavily guarded. Even in disguise, someone’s always keeping an eye on you - but on the other hand there are way more explosives and firearms lying around for you to put to good use.

IO Interactive doesn’t want you to just hastily take down your target, though. Exploration is rewarded, whether you’re discovering an explosive golf ball or a secret tunnel. And it’s not just objective-centred treats up for grabs, either. Sneak into the attic of the Paris level’s mansion and you’ll be treated to some gorgeous sunbeams cutting through the dusty heaps of antiques; take a dip in the sauna in Japan and you'll get to marvel at Hokkaido’s mountain range as it's kissed by the setting sun

The crowds, meanwhile, are really the star of the show, packed full of a wide variety of natural, realistic NPCs who mingle and move convincingly. 

The slow pace of the game means you have time to take it all in and to soak up the ambience. And while the game shows off its graphical splendour, you can show off your craftiness. Pre-set challenges, such as not changing outfits or offing your target with a certain weapon or item, give you a chance to make things more difficult and interesting for yourself, and in turn they reward you with alternative ways to start or play the level, such as bringing in new items or spawning you in a different area.

Stuff says... 

Hitman: The Complete First Season review

A pure, rewarding assassination sim with plenty of replay value, but we want more
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RM229
Good Stuff 
A real sandbox…filled with deadly traps
Brilliantly tuned AI
Gorgeously designed and detailed environments
Loads of replay value
Bad Stuff 
Requires a lot of patience
Needs more locations
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