As before you need to use the money to purchase a vehicle that can carry up to 7 people, a boat, 2 helicopters and/or an airplane. The vehicle chosen will determine what other vehicles can now be purchased. There is also a chance to unlock all the weapons and vehicles in game.
In order to obtain the 100%, you must finish the story, get a perfect score in all Grand Theft Auto IV’s online races and challenge modes, unlock every vehicle and weapon in-game, complete all collectible side missions, obtain a 100,000,00 GTA$ score and win the “Biker’s Ball” tournament.
All of these are attainable, if not difficult, however, they are also time-consuming. 100 is not the hardest completion because if one person has already completed it, he or she can give it to you, making it 100%.
Gta 4 100 Completion Reward
The reward for 100% completion in GTA IV is a – “100% Game Completion – .” message in the top left corner and the ability to buy an unlimited amount of ammunition, although it still costs the same as before, and the Key To The City Achievement is unlocked.The achievement, however, can only be completed by playing the game for the first time, whereas the 100 percent game completion is permanent.
In addition, if the player has not yet reached 100%, the message will not appear, regardless of what percentage the gamer has reached. This is because the achievement is earned by beating the entire game, not just a certain portion of it. For this reason, some players consider it a “tutorial” rather than a real achievement. Additionally, even if a player achieves 100-percent completion, they will still have the chance to obtain the key from the Lost and Damned mission, since it is required to play the mission.
However, completing the main story will result in only a normal key being dropped. Finally, this achievement has no effect on the GTA Online leaderboard. 
The 100 % Completions reward is given for completing all available missions in single-player mode.
What happens at 100 completion GTA V?
The 100 level completion of GTA Online will unlock the ‘Dynasty’ mode, allowing players to create their own gang. Players will be granted the ability to have up to three characters in their ’Dynasties‘, which can be further customized with their character‟s appearance, their vehicles and even their weapons.
How long does it take to 100% GTA 4?
If you want to make money then get an item from the garage. If your goal is to have fun then just go to the nearest store and buy a new weapon. Don’t buy the items from stores that are not open. Use your saved money to buy weapons.
That‘s the best way.
What do you get for killing all the pigeons in GTA 4?
A free copy of GTA San Andreas. That’s all. And no, that‘s not a typo. You will not be allowed to ask for another copy.
What to do after completing all missions in GTA 4?
When you complete all the missions then the game is over and a new mission is available. You are now at a stage where you need to complete a few more missions to finish the story of the GTA series. After you finish all your missions, you should go back to the main menu and then select GTA Online and play the mission there.
It is advised that you always have the latest version of GTA online to avoid any problem while playing.
Can I buy a map for GTA 4?
No, you cannot buy a map for GTA 4. There are no maps in GTA 4.
I don’t get any money, how to get more money?
It is advised that you spend your money wisely. Don‘t buy any of the items that you don‘t need and if you do need one then try to use it on something that you want. Spend your money wisely. That‘s the way to earn more money.
I have the best weapons but no one is challenging me?
You need to spend some time on getting better weapons. Your weapons should be very good. If your weapons aren‘t good then you should get better weapons.
How to earn money?
You can earn money by selling your vehicles and houses. It is advised that you sell your vehicles and houses in a very specific manner.
What is the difference between the single player and online modes?
Single player mode is for you to play by yourself. When you play in single player mode, you are only playing the missions and there are no other players to compete against. When you play in GTA online mode, there are other players competing against you.
You can play for free or for a fee.
There are also many additional achievements that can unlock in-game content. These include: “You Can’t Take It With You” (Unlocks the “Unlicensed Weapons” category), “Ride In Style” (Rides the Biker), and “Guns N’ Roses” achievement. The “What’s That Sound” Achievement (Sneaks past the police) and “Get Out Alive” have been unlocked by the Rockstar Editor.
Other achievements include “Ain’t No Rest For The Wicked” and, “Hangin’ With Friends” which unlocks the and.
The “Rockstar Pass” is the reward that is given for beating the game in under 30 hours, however, this does not unlock any new in game content, unlike the 100%, which also gives you access to a special “Millionaire” ending, which gives the player access the the new and improved “Liberty City” map.