Dragon Age: Inquisition is crammed with Cheats, Secrets, and obscure Bioware references, as well as hidden clues to deep series lore.
The Old Gods
Reddit user sashimi_taco discovered that audio from a sequence in the Tmeple of Mythal, played backwards, reveals a secret of Dragon Age lore.
As reported by IGN.com:
'Although there’s still some dispute over the exact words being heard, what can be made out is a game-changer.
Go to him, Dirth…Mythal speaks the calling…
Halt… Blind…' or “The call is sweet, from the blood…
He is bound to the same…
She speaks the truth…
She's fallen, lost…' or “She saw the lost…
The big news here is the line 'Mythal speaks the calling…' Mythal is an elven deity, however the calling – a song sang by Archdemons to call darkspawn to their side – has previously been linked with the Old Gods. What this means is an elven God, of sorts, could also be an Old God, resulting in two religious beliefs crossing over with one another.
As you may know, the Tevinter Imperium of old follow the teachings of the Old Gods and their quest to breach The Golden City, a place they perceive to be of power. The Dalish elves walk the path of Elven pantheon -- led by Elgar'nan the All-Father, and Mythal the Protector. And yet, Mythal seemingly fits into both stories; Mythal could be an elven Goddess and an Old God.'
Seducing Nobles For Fun
One of the rare instances in Dragon Age Inquisition where you can use your body for good instead of evil. During Josephine's Inner Circle Quest you have the option of gaining the favour of a member at court....through sex
Creating a Truce Between Orlais and Ferelden
Meeting the 'Hero of Ferelden'
Although the Hero of Ferelden doesn’t make a personal appearance in Dragon Age Inquisition he/she does send his/her love. After completing the Quest “Here Lies the Abyss” Lelianna offers to get in contact with the Warden. The Warden sends word back.
Contacting Zevran from Dragon Age Origins
After completing the first major story mission after Skyhold you have an opportunity (through Wartable missions) to make contact with an old friend of the Dragon Age series Zevran!
Quick Complete War Room Missions
On PS4 you can accept your missions in the war room, then change the system time ahead how ever many hours your longest mission is going to take to complete, go back in to the game and they are done. You do not have to save or quit the game, just accept the missions, press the PS button and go to system and manually edit the system time, then go back and accept the rewards for your now completed missions on the War Map. Don't forget to set your system time back to normal when you are done! It is currently unknown if this works on Xbox One. Works on PC with patch 1.3.
Meeting the Lovely Morrigan
The lovely Morrigan is back in Dragon Age Inquisition she joins the team after the Wicked Eyes and Wicked Hearts Quests, although she is NOT a love interest
Meeting Connor in Reddcliffe
The small boy in Dragon Age Origins is all grown up and feels awful about causing so much mayhem and destruction
King Alistar and Queen Anora 
Depending on the world state you choose, this scene can either be just Alistar or Anora. The pair are very mad at what the mages have done.
What Happened to Hawke's Companions
Your friends from DA 2 may not be at your side to battle demons, but they are alive in the world of Inquisition. Varric explains what the compaions from Dragon Age 2 are up to.
Dagna the Dwarf
Depending on how you treated her in Origins Dagna is BACK and in the mood to help the Inquisition
Item dupe and infinite gold glitch
You can dupe stackable crafting materials at any merchant. All you need to do is mark your crafting materials you want to dupe to the 'valuables' and hit 'sell' and 'sell all' at the same time. Only stackable crafting materials can be duped and no herbs.
This works for all plattforms, on PC you will need a controller.(as of 01.12.2014).
Infinite Skill Point glitch
You can get infinite skill points by refreshing a chest with an amulet of power. If you only loot the amulet of power and nothing else from a chest, you can refresh the area you're in and the amulet will respawn. The first good location to do this is Crestwood. You need to progress in the main story to unlock the mission 'a missing warden', then finish the quest 'still waters' and have the inquisition perk 'deft hands' for your rogue.
Instant maximum Inquisition perk points glitch
You can max out your inquistion level very fast by buying certain items from the npc 'Farris the Representative'. By using the glitch you rebuy/resell the items and gain a lot of influence. Farris unlocks after the wartable mission 'price of power'. The Mission will pop up after doing the quest 'here lies the abyss'
|System: PC, PS3, Xbox 360, PS4*, Xbox One|
|Release: November 18, 2014|
|Players: 1 (2+ Online)|
|Screen Resolution: 480p-1080p||Blood, Intense Violence, Nudity, Sexual Content, Strong Language|
The truth about the Dragon Age franchise is that it has struggled to find its footing from the very beginning. Dragon Age: Origins garnered a good amount of followers, but never accumulated a large fan base. Dragon Age II, while popular among some players, was received with mixed reviews by both players and critics. It feels like Dragon Age: Inquisition suffers from the same issues as its predecessors – feeling and playing like a different game instead of the next installation in a series.
Honestly, Dragon Age: Inquisition feels more like Mass Effect 3 than anything. The game follows a heroic protagonist that must rally the forces of the in-game world to amass an army capable of taking on the greater evil of the land. In addition to this, you gather legendary heroes to add to the Inquisition, similar to building your team in Mass Effect 2 and 3. It feels like BioWare decided to go with what worked for Mass Effect, while still attempting to inject some new dynamics into the game, but the game mechanics felt like the first game in a series instead of the third.
With all that being said, BioWare did attempt to do some things that were completely different for the Dragon Age series. First and foremost, setting it in an open world. This has been a long time coming for the Dragon Age series, with Dragon Age II feeling completely closed in and Origins having its linear feel. The open world of Inquisition gives you the ability play for the objectives you wish, without requiring you to play through the main story. Of course, advancing through main story missions will progress the game and open up new areas, but there is still plenty to do in terms of side quests and collecting. This portion of Inquisition seems to draw some inspiration from the Elder Scrolls series in regard to its open setting.
Next, a revised combat system has come into play. Not as straightforward as previous games in the series, this combat system diversifies how you can play the game fairly dramatically, if you wish to use it. For the most part it will seem familiar, powers and/or attacks are mapped to face and trigger buttons on your controller, while items and inventory are controlled from sub-menus. The true difference of Inquisition is its Tactics mode gameplay. This gives you the ability to see the battlefield from above, assigning orders to your characters while controlling the progression of time. Basically, you move time forward by holding down the right trigger button, giving you the ability to issue orders to characters on the fly or from a paused moment in the battle. This can be extremely useful, albeit boring, in combat.
I found myself only using this functionality in the direst of circumstances, instead letting AI programming take care of my counterparts and playing as my avatar. As I said, this does open up the combat gameplay quite a bit, but it wasn’t particularly fun.
However, in true BioWare fashion, you can customize your character to match your fantasy experience. Character creation was a “gimme” for this game because without it, it wouldn’t feel like a BioWare game. Just select the character archetype you are used to and roll out. Don’t worry though, if you need some variety in the gameplay later on you can switch between characters in your party easily enough. I’ve always been partial to the Fighter/Warrior/Barbarian/Whatever character in any fantasy game, so I went with that. Skill trees are used to progress your digital hero, corresponding to your class of course. As you might expect, leveling up gives you points to spend how you see fit, so choose wisely early on.
From an overall gameplay standpoint, Dragon Age: Inquisition does well enough to keep the game engaging, but it’s not going to set any trends either. You may find the exploration and collecting mechanics relatively engaging for a while, but they will wear thin soon enough, at least they did for me. I found myself moving from story point to story point pretty quickly, with little regard for side missions if they were at all out of my way. However the shear breadth of content available is enormous, giving those who wish to complete it a ton to do in Inquisition.
The gameplay is supported by visuals that, to me, weren’t particularly impressive. With the processing power of the current generation of consoles and PC’s, I saw way too many visual errors in my Inquisition experience. It was truly odd. It was like the character models and environments were from the last generation of consoles, with a fresh veneer of visual effects laid over them. For example, shadows and lighting effects were excellent and functioned near flawlessly, but the character animations were stiff and uninspired, showing detail in some situations and looking lackluster in others.
Add to that screen tearing between cutscenes and gameplay sequences, as well as odd world glitches (I literally saw NPC’s falling from the sky to land on their designated spots in the world at several points) and what you have is a game that could have been visually breathtaking, but falls just short.