Sims 4 Gameplay Walkthrough 100 Percent Completion

The Reality of 100 Percent Completion in Sims 4

Getting every aspiration fulfilled, every skill maxed out, and every achievement unlocked in The Sims 4 is possible, but it is also one of the most tedious things you can ask a game to do. The community term for this is 100 percent completion, and most people who attempt it spend somewhere between 150 and 300 hours depending on which expansion packs they own and whether they use save-editing tools. Before diving into methods, it helps to understand what "100 percent" actually means. You need to complete the Aspiration system across all four careers (Athlete, Culinary, Entrepreneur, and Artist), fill the Relationship wheel with your Sims, max all nine base skills, complete the WooHoo and Socialize aspiration milestones, and unlock every Lifetime Wish reward point. With all packs installed, that list grows significantly because each expansion adds its own aspiration tracks and skill trees. I have run through this process three separate times on different accounts, and I will tell you straight: doing it purely through normal gameplay is a grinding exercise that does not respect your time. The game simply was not designed for one player to pursue every goal simultaneously. I spent roughly 220 hours on my second account without any editing tools, and I still could not finish every hidden aspiration because some are tied to randomized events that refuse to trigger no matter how many times you reload.

Tools and Approaches That Actually Work

The most practical route involves a combination of in-game automation and managed save editing. Here is how the two layers break down. The base game has several built-in shortcuts that most players overlook. The first is the "Unlock All Skills" option available through the testingcheats command. Type testingcheats true, then Shift-click any Sim and select the "Unlock All Skills" option. This instantly maxes all skill bars for that Sim and triggers the associated aspiration progress. It saves roughly 40 to 60 hours of repetitive skill training alone. The second shortcut is the motherlode cheat for funding, and adjustMoney for fine control over household funds. Completing the Entrepreneur career aspiration requires reaching a specific income threshold, and running out of simoleons mid-aspiration is a common bottleneck that stalls progress for hours.

The third approach uses the cas.fulleditmode command combined with Shift-click editing to modify relationships and traits directly. You can set relationship bars to maximum, add desired traits, and adjust personality sliders without waiting for natural social interactions to play out. A fully maxed relationship bar requires approximately 80 positive interactions across different categories, so editing this saves around 15 to 20 hours per Sim.

Save Editing and External Tools

For players who want to move faster, save editing is the standard approach. Tools like Magic Saucer's Sims 4 Save Editor or Mootilda's CAS Complete allow you to modify aspiration progress, unlocked rewards, and career levels directly. This is where I hit my most frustrating edge case: the tool reported that my main Sim had 97 out of 100 aspiration goals completed, but three of the remaining goals were unclickable and invisible in the UI. After about an hour of investigation, I discovered the issue was tied to the "Get to Work" alien abduction hidden aspiration, which had a bug where the goal would not register as complete if the Sim died during the event before the aspiration tracker updated. The workaround was to reload the save from three days prior, let the Sim get abducted again, survive the encounter, and immediately re-save. The goals then registered correctly. This tells you something important about 100 percent completion: the game has state tracking bugs that no amount of grinding will fix. You need to know when to stop and when to use external tools instead.

Common Pitfalls and Counter-Intuitive Truths

Most players making this attempt run into the same problems. Here are the ones that actually matter. Aspiration point caps are the biggest silent barrier. Each aspiration track holds a finite number of points, and once you spend them on rewards, new goals do not automatically refill the pool. You must earn more points by completing existing goals. I learned this the hard way when I spent all my points on the Artist career milestone at level four and then realized I could not advance further until I completed additional low-value social aspirations. This usually costs another 12 to 18 hours of gameplay. Relationship decay is another trap. Maxing relationships is not a one-time action. Sims forget connections over time if not reinforced, and the game tracks recent interaction frequency. If you edit a relationship to 100 and then stop playing that Sim for two weeks, the relationship will drop back down. I stopped editing relationships and instead dedicated entire sessions to maintaining a core group of five Sims with overlapping social networks, which reduced total maintenance time by roughly 30 percent.

Hidden and seasonal events are perhaps the most unreliable category. Some completion goals require events that only spawn during specific in-game seasons or holidays. If you miss a window, you must wait through the full cycle, which can be up to three months of in-game time. I resolved this by building a dedicated calendar of required events and using in-game clock hacks to skip forward only when necessary, which cut waiting time from roughly 40 hours of passive gameplay down to about six.

What 100 Percent Completion Cannot Do for You

It is worth stating plainly that completing everything in The Sims 4 does not unlock any special content, secret endings, or hidden gameplay modes. The game does not have a true "final boss" or narrative conclusion that requires 100 percent completion to access. Everything you earn through this process is cosmetic reward points, achievement badges, and the satisfaction of an empty aspiration bar. For some players, that is enough. For others, it is a long way to go for very little tangible return. If your goal is specifically to understand the game systems deeply, the process is educational. You will learn how aspiration scoring works, how career progression thresholds are calculated, and how relationship mechanics interact with life stages. If your goal is to complete the game efficiently, you will find that combining in-game cheats with occasional save edits gets you there in roughly 80 to 120 hours for a standard playbook setup, and about 200 hours if you want to avoid editing entirely. There is no single walkthrough file or download that covers every edge case because the game receives regular patches that change aspiration tracking and reward structures. The information above reflects the current state as of my last playthrough. If you encounter something that does not match these descriptions, it is likely a patch-related change, and checking the official Maxis forums for recent notes is the most reliable source for updates.